12 Days of Christmas
6th
5th22nd
8th
86th
6th
7th
24 Game
3rd
25th
4th
99 Bottles of Beer
31st
7th
201st
28th
37th
Abundant Numbers
75th
15th
21st25th
13th
24th
19th
12th
178th
6th
18th
Abundant Numbers (Long)
10th
21st
9th
69th
18th
9th
8th
18th
Arabic to Roman
70th
10th
15th
9th
35th
Arithmetic Numbers
5th
10th6th
6th
49th
9th
8th
6th
5th
Arrows
4th9th
8th
28th
11th
10th
18th
Ascending Primes
6th
1st4th
9th
5th
8th
ASCII Table
3rd
29th
13th12th
6th
9th
8th
5th
10th
6th
Billiards
3rd
2nd
4th
5th
brainfuck
67th32nd
9th10th
4th
41st
7th
25th
11th
50th
6th
9th
3rd
Card Number Validation
3rd
15th
5th
3rd
9th
Catalan Numbers
16th
24th1st
1st
49th
11th
12th
63rd
3rd
22nd
Catalanβs Constant
7th
1st
7th
15th
Christmas Trees
21st
14th
19th
5th
27th
12th
20th
12th
3rd
8th
Collatz
12th
27th
11th
4th10th
17th9th
5th10th
46th
11th
23rd
8th31st
111th
10th
8th18th
CSS Colors
4th
7th
19th
5th
165th
3rd
15th
8th
Cubes
5th
5th7th
6th
33rd
6th
6th
5th
7th
Day of Week
14th
5th
91st
5th
54th
138th
8th
14th
DFA Simulator
5th
3rd
3rd
9th
Diamonds
12th
14th19th
6th
69th
10th
12th
14th
13th
Divisors
15th
22nd
93rd70th49th
15th43rd
25th16th
21st14th
19th35th
18th
40th129th
8th
67th
21st6th78th
323rd
5th
38th1st
4th
Emirp Numbers
65th
16th
12th16th
13th
10th
18th
238th
5th
29th
Emirp Numbers (Long)
32nd
11th
4th
11th
10th
5th
110th
3rd
9th
Emojify
7th
6th5th
4th
21st
4th
5th
56th
6th
15th
13th
Evil Numbers
22nd
127th
22nd
17th
24th25th
1st
166th
1st
19th
1st
4th
3rd
1st
Evil Numbers (Long)
8th
17th
16th
1st
1st
15th
10th
12th
Factorial Factorisation
21st
8th
5th
16th
10th
79th
5th
1st
Farey Sequence
11th
4th8th
68th
3rd
9th
Fibonacci
44th22nd47th59th32nd12th44th8th38th85th25th26th23rd43rd53rd31st30th42nd31st37th15th19th64th10th1st1st1st19th21st23rd80th1st12th66th27th26th1st30th27th32nd24th37th87th40th1st58th1st12th14th7th70th18th5th55th53rd21st26th29th35th20th39th
Fizz Buzz
65th41st
184th
96th266th95th
31st
22nd
48th9th
49th109th
14th
133rd1st
41st
99th
8th
51st
17th
1st202nd
10th
Foo Fizz Buzz Bar
77th
8th
6th20th
11th
44th
24th
10th
184th
9th
14th
5th
ForsythβEdwards Notation
11th
4th
10th
106th
4th
12th
11th
Fractions
7th
16th17th
9th
24th
3rd
1st
Game of Life
7th
11th
4th
16th
Gijswijtβs Sequence
4th
6th
6th
6th
5th
10th
Happy Numbers
57th
30th
16th
15th
22nd33rd
10th
26th123rd
1st
23rd
137th
3rd
24th
15th
Happy Numbers (Long)
39th
8th
22nd28th
11th
1st
17th
61st
3rd
10th
Hexdump
9th6th
5th
6th
4th
89th
5th
11th
Intersection
7th
10th10th
7th
33rd
12th
7th
17th
Inventory Sequence
6th
9th
4th
34th
7th
10th
5th
1st
ISBN
7th
65th
7th
13th11th
8th
54th
24th
7th
145th
9th
15th
7th
Jacobi Symbol
9th
4th
6th
11th
Kaprekar Numbers
23rd
25th
11th
Kolakoski Constant
8th
1st
5th
18th
Kolakoski Sequence
11th
9th34th
18th
8th
9th1st
1st
69th
1st
16th
66th
1st
10th
12th
Leap Years
17th
31st
20th37th
9th
93rd
14th
28th
187th
13th
28th
10th
Levenshtein Distance
15th
4th20th
7th
48th
8th
1st
10th
1st
Leyland Numbers
26th
9th
13th4th
1st
82nd
7th
6th
5th
17th
7th
ln 2
11th9th
2nd
24th
1st
61st
7th
4th
4th
Look and Say
8th
16th
13th
17th8th
9th
27th
24th
66th
6th
20th
8th
Lucky Numbers
9th
5th
32nd
8th
4th
16th
8th
Lucky Tickets
10th
15th
Mahjong
4th
7th
Maze
13th
4th
4th
7th
31st
2nd
11th
8th
Medal Tally
2nd
8th
4th
11th
Morse Decoder
7th
5th
2nd
21st
2nd
6th
41st
6th
9th
4th
Morse Encoder
7th
5th
21st
6th
3rd
5th
8th
6th
Musical Chords
6th
10th
N Queens
2nd
2nd
75th
6th
5th
Niven Numbers
20th
109th
17th
23rd45th
13th
51st145th
19th
45th
22nd
268th
1st
38th
12th
Niven Numbers (Long)
17th
1st20th
13th
19th
19th
25th
8th
1st
1st
4th
Number Spiral
4th
6th11th
1st
36th
1st
7th
40th
3rd
6th
4th
Odious Numbers
65th
48th
29th
17th
19th24th
1st
55th
1st
20th
4th
5th
Odious Numbers (Long)
46th
17th
16th
1st
1st
20th
322nd
10th
27th
Ordinal Numbers
14th
17th
11th
90th
23rd
314th
15th
31st
PalindromemordnilaP
4th
1st
3rd
8th
4th
1st
5th
1st
7th
Pangram Grep
13th
28th
21st
10th11th
27th15th
23rd18th
10th
27th119th
22nd
38th
6th8th
120th
16th
5th
13th24th12th
20th
Pascalβs Triangle
94th
9th
11th26th
31st
55th
16th
59th11th
66th
1st
35th
8th
Pernicious Numbers
14th
40th
26th
23rd
19th
22nd
26th
38th
17th
54th
21st
32nd
Pernicious Numbers (Long)
19th
8th
4th
7th
4th
5th
Poker
7th
14th
Polyominoes
4th
3rd
3rd
5th
22nd
6th
Prime Numbers
23rd
117th71st
1st
30th35th
1st
168th
1st
38th
113th
1st
21st
1st
Prime Numbers (Long)
13th
76th
1st
9th
1st
87th
1st
9th
199th
4th
1st
7th
Proximity Grid
4th
3rd
3rd
11th
QR Decoder
6th
6th
11th
2nd
Quine
1st
1st
90th63rd64th
25th
8th
10th7th
71st26th29th
54th
51st28th
65th1st10th101st1st1st
1st54th51st
56th
33rd
1st102nd
51st8th
RecamΓ‘n
13th
7th
8th
31st
11th
13th
5th
13th
Repeating Decimals
11th
15th
Reverse Polish Notation
7th
17th
1st11th
5th
38th
5th
16th
75th
3rd
17th
Reversi
11th
Rijndael S-box
21st
10th
3rd
11th
Rock-paper-scissors-Spock-lizard
4th
15th
3rd
13th
3rd
11th
8th
Roman to Arabic
11th
12th
5th
8th
ROT13
5th
9th
29th
8th
12th
Rule 110
41st
9th
20th
9th
8th
42nd
5th
13th
8th
Seven Segment
11th
30th
9th
4th5th
3rd
30th
4th
9th
5th
9th
10th
SI Units
7th
SierpiΕski Triangle
5th
5th14th
12th8th
66th
8th
14th
9th
30th
7th
Smith Numbers
10th
34th
9th
7th
4th
17th
Spelling Numbers
78th
4th
9th
Star Wars Opening Crawl
3rd
15th
8th
Sudoku
6th
5th
7th
5th
70th
5th
7th
Sudoku (Fill-in)
7th
4th
6th
23rd
5th
27th
6th
13th
Ten-pin Bowling
71st
10th
Tic-tac-toe
11th
18th
9th
33rd
4th
14th
Time Distance
3rd
8th
11th
Tongue-twisters
18th
10th
45th
16th
10th
18th
Transpose Sentence
6th
1st
3rd
3rd
15th
4th
67th
1st
6th
United States
10th
5th
5th
65th
3rd
75th
6th
21st
Vampire Numbers
7th
8th
16th
Van Eck Sequence
42nd
8th
16th
6th
13th
11th
8th
20th
Zeckendorf Representation
6th
5th
3rd
26th
62nd
4th
7th
Zodiac Signs
6th
5th
4th
6th
6th
42nd
4th
8th
Ξ³
3rd
1st
5th
11th
Ξ»
42nd
9th
25th
5th
3rd
18th
4th
9th
Ο
56th
16th17th
1st
57th
4th
12th
42nd
Ο
12th14th
1st
65th
4th
11th
41st
Ο
22nd
1st
22nd
15th
14th
β2
11th17th
1st
57th
1st
101st
10th
10th
π
17th
10th
30th12th
15th