12 Days of Christmas
3rd
6th
42nd82nd23rd
8th
36th
9th
43rd
7th34th209th
400th
5th
8th
11th💎
99 Bottles of Beer
4th
51st48th20th
6th
34th
32nd
9th15th109th
444th
5th
7th3rd
Abundant Numbers
5th
13th14th16th8th
46th37th25th
5th12th28th18th25th13th7th16th
12th12th
18th21st
9th
23rd22nd
10th60th
43rd
9th173rd
8th91st
8th10th8th17th4th
Abundant Numbers (Long)
5th
12th12th18th9th
38th28th25th
1st
32nd
20th15th6th
12th
12th19th
10th
23rd15th
6th44th
32nd
146th
8th58th
6th8th13th4th
Alphabetic Numbers
💎
Arabic to Roman
6th
11th13th6th
19th
29th55th
1st
7th
6th
90th
11th
119th
4th
9th6th
2nd
Arithmetic Numbers
5th
11th
9th6th
23rd17th18th
11th
19th
7th9th9th12th
9th
9th5th
6th
1st
14th25th
23rd
19th23rd9th
11th
15th
27th17th
5th36th8th
11th
7th
11th3rd
Arrows
9th
17th
10th
28th
10th
24th
21st92nd
111th
4th
20th
14th4th
Ascending Primes
8th5th
7th
33rd21st24th
7th5th22nd
9th8th
1st
11th
48th
2nd
11th6th
79th
12th3rd39th
5th
5th3rd7th5th
ASCII Table
5th
13th
11th
83rd28th27th
8th
18th
8th
18th
8th
10th19th98th
47th
4th
4th
3rd
brainfuck
62nd
23rd
19th
5th
3rd
Calendar
6th
Card Number Validation
6th
5th
Catalan Numbers
9th
20th
16th7th40th18th20th14th15th
15th
10th
19th
17th
22nd46th
11th
23rd
21st
150th
5th49th
12th
5th
10th
Catalan’s Constant
4th10th6th9th5th5th33rd15th20th10th
6th
32nd9th10th11th9th7th
7th8th3rd
9th11th
14th
5th18th44th
1st
10th6th6th4th12th15th13th8th159th13th14th3rd27th15th
9th7th7th9th6th6th4th9th3rd
Christmas Trees
5th
12th
4th
27th35th17th
7th
30th
7th5th
18th
8th
11th9th90th
17th
36th
144th
4th
17th
13th
14th5th
Collatz
9th
17th12th
58th3rd21st
40th
13th14th
12th
20th
7th
3rd102nd
30th22nd
160th
6th
26th
4th5th19th2nd
Connect Four
2nd
Continued Fractions
22nd
103rd
3rd
CSS Colors
5th
13th
12th
7th
27th
10th
9th
32nd
9th
1st
46th
102nd
4th
5th
3rd
Cubes
4th
25th
8th
18th
24th
4th
💎
Day of Week
3rd6th
1st8th11th8th
24th
15th11th15th1st
5th1st
1st
1st
1st111th
9th
17th
23rd74th
1st18th
4th27th
9th
11th
4th
DFA Simulator
128th
Diamonds
6th
7th
35th
25th
7th
28th
31st
10th
19th
9th23rd96th
104th
5th79th
4th
Divisors
5th
13th35th17th7th
55th26th35th
18th
34th
7th16th19th
20th11th
10th
9th
1st
11th31st
29th
10th68th
19th
55th18th
1st
3rd
1st
35th10th
3rd
22nd1st
Emirp Numbers
12th
11th
7th7th
26th18th4th
8th11th17th11th14th12th9th6th
13th
16th
2nd
18th29th
13th45th
20th30th
32nd
10th52nd
3rd65th41st
5th7th
8th4th
Emirp Numbers (Long)
7th
6th
8th5th
25th14th17th
14th
28th
8th7th
10th
9th
7th
16th
46th
27th
13th
58th
6th
18th
4th
8th5th
Emojify
6th
20th
14th
31st
14th
151st
6th
8th3rd
Evil Numbers
17th
8th13th9th10th
24th11th17th17th11th12th5th37th13th15th1st1st
10th1st
21st13th40th13th
14th1st42nd1st19th16th
15th53rd28th17th16th12th26th
20th27th14th1st17th
5th35th47th46th
12th10th6th9th8th15th6th
Evil Numbers (Long)
6th9th4th6th
31st9th18th15th11th
1st
12th11th1st
8th14th
14th7th36th11th
4th30th
9th14th
5th48th21st17th8th
21st
16th17th16th1st13th
6th26th23rd15th
7th3rd
6th3rd7th6th
Factorial Factorisation
13th9th8th9th10th40th26th23rd
8th
32nd
13th12th10th8th
13th4th
17th11th
13th
8th26th
13th
11th12th
7th10th17th15th6th203rd
11th8th47th20th
16th6th9th5th
9th4th9th7th
Farey Sequence
9th
6th8th
16th13th14th
25th
11th14th
15th
5th
16th53rd
13th
13th15th
32nd10th
5th
23rd
10th
7th
8th4th
Fibonacci
14th12th
4th39th3rd1st78th4th47th2nd20th26th21st5th38th26th23rd1st29th
25th6th
30th1st79th1st
1st23rd33rd34th1st
64th56th7th1st4th20th1st
14th1st31st1st20th20th1st66th72nd16th
6th23rd1st
1st15th12th1st
Fizz Buzz
1st119th16th1st
31st111th19th
7th32nd1st
15th25th6th8th
16th
33rd
1st
4th16th
19th1st1st
37th14th26th
54th
9th90th77th
74th
65th5th139th80th
51st28th
11th22nd33rd1st
Foo Fizz Buzz Bar
1st
12th6th
56th53rd30th
9th
1st
7th12th9th9th
9th
1st
15th
13th20th55th
30th17th6th
42nd
1st
21st5th25th42nd
10th11th
4th
15th3rd
Forsyth–Edwards Notation
4th
19th23rd11th
7th
32nd
13th
9th
57th
12th
137th
4th
9th💎
Fractions
6th
7th
61st
28th
16th
33rd
11th
10th
22nd
7th
38th
30th
104th
6th
5th
3rd
Game of Life
42nd
23rd
31st
Gijswijt’s Sequence
4th3rd
6th
9th10th
8th
23rd
9th7th
9th
8th
7th
86th
5th
8th
7th4th9th💎
Gray Code Decoder
6th
4th
Gray Code Encoder
19th
14th
7th
18th
11th
105th
1st
Happy Numbers
17th11th11th8th
41st18th6th
1st11th27th9th23rd14th11th7th
1st12th
8th
1st
1st
18th47th
25th42nd
15th
10th
22nd
1st76th11th
1st63rd30th
12th
9th6th21st12th4th
Happy Numbers (Long)
15th9th8th10th
25th17th9th
13th
28th
21st12th6th10th
5th10th
1st
12th
8th
9th65th
21st
12th
10th
14th
108th10th
6th
10th
3rd
5th5th14th4th
Hexdump
4th
7th
19th28th8th
7th
22nd
14th
14th
58th
4th
💎
Intersection
10th
52nd
26th
9th
34th
70th
5th
7th
2nd
Inventory Sequence
17th
11th
42nd29th33rd
10th
41st
11th10th
12th
1st
28th
203rd
6th
9th
10th8th
ISBN
8th6th
19th33rd11th
10th
18th11th
11th
17th9th
12th
11th47th
20th
11th
18th
46th
6th
7th
3rd
Jacobi Symbol
8th
26th21st14th
28th
33rd
97th
4th
4th
Kaprekar Numbers
18th
7th
5th
5th
Kolakoski Constant
4th9th4th9th7th6th30th23rd16th14th
5th
30th10th10th11th9th7th
6th8th5th
12th14th
14th
6th20th44th
15th
13th8th6th5th15th16th15th6th153rd12th14th3rd39th15th
9th9th7th9th8th6th4th10th4th
Kolakoski Sequence
7th
5th9th
27th19th17th
6th
11th
8th8th
2nd
7th
8th35th
12th
17th15th
23rd
3rd
6th
15th4th
Leap Years
20th38th10th13th
80th49th40th
9th12th32nd
24th14th17th13th
15th17th
21st24th
8th58th
23rd
23rd120th
32nd25th23rd83rd20th20th27th26th27th32nd
187th25th45th7th55th88th
10th29th6th
18th7th15th13th
Levenshtein Distance
9th
13th
9th
37th
1st
45th
11th
16th
18th6th
Leyland Numbers
9th
6th
25th11th
14th
4th
7th
7th
18th88th
17th
10th
5th
8th
4th
ln 2
7th6th9th6th6th19th18th20th16th
10th
36th13th11th13th11th9th
10th10th4th
9th19th
17th
4th26th50th
36th
10th7th5th5th33rd12th17th9th110th15th13th5th34th13th
5th7th7th8th5th8th4th9th7th
Look and Say
4th
8th
15th15th
12th
29th
5th
9th
13th
10th
16th
189th
5th
20th
7th💎
Lucky Numbers
11th
18th
35th
38th
9th
59th
4th
Lucky Tickets
178th
4th
5th
Mahjong
11th6th
12th
31st
6th
Maze
23rd
Medal Tally
10th
7th
33rd
130th
4th
4th
💎
Minesweeper
6th
4th
Morse Decoder
5th
12th
30th
224th
4th
3rd
Morse Encoder
7th
27th
233rd
4th
4th
Multitap Input
3rd
💎
Musical Chords
29th10th
12th
11th
3rd
N Queens
26th
138th
2nd
Niven Numbers
9th
14th12th1st1st
45th1st30th13th1st12th1st19th1st17th1st1st
1st1st16th19th1st
11th1st
1st27th1st5th1st
1st38th23rd36th1st1st16th16th7th9th1st54th14th15th4th32nd1st
10th1st1st7th1st9th1st1st
Niven Numbers (Long)
13th9th1st8th
24th37th15th16th11th
28th11th28th15th4th14th
9th15th12th11th1st
1st31st
1st19th15th9th85th
1st34th18th20th8th8th12th24th30th19th4th53rd14th12th5th68th13th
8th8th12th
9th5th5th5th
Number Spiral
4th
5th
7th
23rd13th14th
5th
23rd5th
7th6th
11th
7th
8th10th28th
84th
2nd
8th
5th
2nd
1st
Odious Numbers
13th
12th14th8th11th
23rd10th13th16th1st12th4th36th13th15th1st1st
8th1st
18th8th36th13th
12th1st41st1st12th12th
15th52nd26th18th16th13th29th
18th26th15th1st18th
5th33rd41st26th
13th11th7th10th8th14th5th
Odious Numbers (Long)
10th8th4th6th
21st9th12th14th1st
5th
13th10th1st
7th14th
14th8th34th11th
1st27th
9th11th
5th48th22nd5th8th
21st
11th18th16th1st16th
6th22nd20th14th
7th5th
6th3rd9th6th
Ordinal Numbers
7th
60th27th21st
11th
4th
81st
7th
5th
7th
3rd
PalindromemordnilaP
32nd
12th
208th
Pangram Grep
6th
6th
27th37th14th
9th
19th15th
24th11th52nd
13th
11th
8th
16th
11th20th68th
8th23rd
14th
35th
66th
6th94th
43rd22nd
5th10th14th4th
Partition Numbers
28th
133rd
Pascal’s Triangle
11th
12th
54th19th28th
11th
40th
9th
19th
6th
1st
14th
31st
36th
243rd
5th
9th
15th6th
Pernicious Numbers
7th18th1st8th1st1st22nd1st1st1st1st7th12th1st9th1st17th1st1st
1st14th9th15th1st31st1st28th9th1st28th7th1st1st
11th37th13th25th1st1st1st1st1st1st1st1st13th1st5th1st1st
23rd13th1st1st6th1st6th1st1st
Pernicious Numbers (Long)
8th
9th10th
31st17th26th
6th
30th11th18th12th6th
14th
11th14th18th12th
1st26th10th25th35th
14th30th
9th
13th10th14th17th
79th
10th6th49th
14th
5th
7th
Poker
7th
142nd
💎
Prime Numbers
5th
11th34th9th1st
61st26th31st17th1st11th1st17th25th14th10th1st
1st1st
1st23rd1st1st11th22nd1st1st19th47th
14th1st
29th1st7th
17th31st18th1st1st10th62nd1st1st23rd
27th6th7th1st9th22nd4th
Prime Numbers (Long)
5th
14th8th9th1st
43rd14th31st
12th
1st
18th6th
26th
1st
15th4th1st
19th1st
9th1st
23rd1st
13th
23rd17th
1st20th33rd1st67th53rd
20th
1st4th22nd1st
Proximity Grid
14th
QR Decoder
3rd
Quine
1st
8th1st
17th26th10th71st34th
36th1st
11th4th2nd
2nd
6th1st
1st34th16th11th5th26th41st34th1st1st
11th1st
1st1st1st6th
86th
77th5th1st27th
1st47th
16th
1st
Recamán
4th
9th
60th36th36th
40th
8th
26th102nd
286th
5th
8th
13th5th
Repeating Decimals
33rd
Reverse Polish Notation
5th
22nd
59th
4th
Reversi
4th
11th8th
6th
4th
81st
4th
4th2nd5th2nd
Rijndael S-box
4th
31st21st11th
5th
4th
7th
Rock-paper-scissors-Spock-lizard
2nd
18th8th
33rd
12th
9th
305th
4th💎
Roman to Arabic
4th
8th
18th20th11th
14th
10th
1st
5th
1st
11th
12th30th
37th
8th
10th5th
ROT13
47th
18th
21st
13th
12th
72nd
4th
Rule 110
22nd
9th
301st
4th
7th
Scrambled Sort
12th
16th
120th12th
2nd
Set
139th
Seven Segment
5th
48th32nd20th
6th
26th
13th
142nd
5th
18th3rd
SI Units
25th
90th
3rd
Sierpiński Triangle
7th
10th7th
41st24th24th
5th
26th
11th8th
16th
8th
14th
86th
11th
7th
10th4th
Smith Numbers
30th
9th
4th
6th
Spelling Numbers
12th
16th
61st
8th
1st
Star Wars Opening Crawl
6th
23rd
95th
💎
Sudoku
27th
132nd
2nd
Sudoku (Fill-in)
25th
119th
Ten-pin Bowling
8th
8th
Tic-tac-toe
29th
167th
5th
Time Distance
3rd
24th13th
25th
81st
3rd
💎
Tongue-twisters
5th
7th
19th29th15th
10th
32nd
9th10th
10th
13th
11th
21st112th
149th
3rd
8th
10th3rd
Tower of Hanoi
12th
30th17th
22nd
24th
17th
31st15th
91st
7th
7th
Transpose Sentence
37th
11th
1st
187th
4th
Trinomial Triangle
123rd
United States
19th
31st
254th
5th
Vampire Numbers
6th
12th
6th33rd8th8th
6th
8th
17th
7th226th
3rd42nd
5th
6th4th
Van Eck Sequence
12th
7th
34th18th23rd
40th
10th
9th
11th
316th
4th
5th
15th4th
Zodiac Signs
33rd
152nd
γ
6th11th5th8th7th5th35th27th15th12th
6th
27th8th11th10th8th6th
5th5th5th
7th10th
6th
8th13th25th
1st
8th8th8th4th8th13th10th5th95th14th11th4th20th12th
7th6th6th6th7th5th5th9th3rd
λ
6th12th8th13th8th5th53rd29th22nd12th
7th
44th13th7th10th9th6th
7th6th5th
12th15th
17th
9th18th72nd
22nd
17th12th8th6th12th21st16th7th135th15th19th4th36th19th
12th13th8th7th6th7th6th13th6th
π
4th15th5th11th10th10th76th64th49th17th
8th
36th20th10th17th11th10th
11th8th5th
25th23rd
34th
4th
5th47th159th7th1st
21st12th6th6th36th27th36th10th201st19th37th4th36th22nd
10th10th14th10th7th8th6th9th8th
τ
4th12th6th10th8th5th49th30th29th14th
7th
33rd18th8th15th10th10th
8th8th5th
18th20th
20th
4th
5th39th96th
42nd
14th9th6th6th35th20th20th8th166th15th23rd3rd31st15th
11th10th8th9th6th8th6th9th8th
φ
11th6th10th8th7th46th28th14th10th
10th
1st33rd11th10th11th16th
9th10th5th6th27th25th12th31st
1st
6th21st61st
1st
17th8th6th6th32nd22nd11th12th1st15th26th5th30th18th
11th10th10th9th6th10th6th10th7th
√2
4th11th5th11th8th6th46th30th29th9th
12th
39th17th11th11th13th9th
10th11th5th
1st20th9th31st
6th19th95th
44th
15th8th6th6th33rd17th23rd12th170th15th21st5th51st15th
11th10th9th11th6th12th6th9th6th
𝑒
5th14th12th15th9th10th61st54th35th27th
11th
37th18th14th17th12th12th
10th10th6th
28th19th
34th
9th16th8th38th95th
1st
18th12th6th7th34th25th24th10th119th43rd32nd7th44th27th
9th9th12th12th7th10th7th12th8th