12 Days of Christmas
36th
20th
26th
13th
74th
9th
99 Bottles of Beer
49th
32nd
24th
22nd
85th
Abundant Numbers
6th
13th37th17th
48th33rd
30th12th
20th
56th64th
9th
Abundant Numbers (Long)
17th
21st
27th
11th
33rd
Arabic to Roman
23rd
18th71st
22nd
11th
81st
Arithmetic Numbers
1st
Arrows
21st
21st
40th
Ascending Primes
24th
ASCII Table
53rd
26th
5th
210th
brainfuck
33rd
15th
9th
48th
Card Number Validation
17th
Catalan Numbers
38th
1st
1st1st
Catalan’s Constant
12th
21st
Christmas Trees
12th
7th
4th
24th19th
170th30th
Collatz
18th3rd19th
26th
35th1st
37th38th
CSS Colors
5th
4th
10th
17th15th
Cubes
20th
7th
9th
140th
Day of Week
1st
Diamonds
39th
25th
13th
55th36th
Divisors
12th
35th26th28th
39th
41st26th
1st
1st44th
8th
Emirp Numbers
7th
29th
16th
12th
21st12th22nd
34th22nd
6th
Emirp Numbers (Long)
16th
12th
19th
Emojify
16th
53rd
Evil Numbers
25th10th16th
23rd
49th
36th15th
1st35th
8th
Evil Numbers (Long)
31st
17th
13th
41st
Factorial Factorisation
11th
Farey Sequence
31st
Fibonacci
31st
13th43rd1st
1st1st149th
76th1st
1st
44th
1st8th
1st
Fizz Buzz
8th
21st151st110th69th
18th104th104th
166th1st
48th9th
101st58th1st76th13th
Foo Fizz Buzz Bar
52nd47th37th
41st
49th19th
1st32nd
Forsyth–Edwards Notation
26th
Fractions
31st
34th
23rd
143rd1st
Game of Life
11th
Gijswijt’s Sequence
13th
Happy Numbers
3rd
44th31st22nd
20th
45th
34th12th
1st47th
11th
Happy Numbers (Long)
25th18th6th
34th
23rd12th
35th35th
Hexdump
2nd
68th
Intersection
10th
19th
5th
66th
Inventory Sequence
36th
26th
4th
ISBN
11th
14th
5th
38th
Jacobi Symbol
9th
7th
12th10th
36th
Kolakoski Constant
6th
6th
2nd
18th16th
Kolakoski Sequence
6th5th5th
16th11th
128th17th
Leap Years
23rd
8th21st3rd
16th8th
36th1st
19th
48th146th27th
9th
Levenshtein Distance
17th
12th
1st
12th
94th1st
Leyland Numbers
14th
20th
37th
7th
190th42nd
ln 2
16th
84th
Look and Say
28th
15th
78th55th
Lucky Numbers
21st
142nd21st
Lucky Tickets
9th
16th
43rd14th
Maze
19th
Medal Tally
7th
Morse Decoder
6th
15th
40th
Morse Encoder
9th
6th
12th
6th
40th
Musical Chords
14th
Niven Numbers
43rd37th29th
26th
27th
44th1st
22nd
37th77th29th
21st
Niven Numbers (Long)
33rd
30th
1st
217th
Number Spiral
19th
11th
13th
64th
Odious Numbers
25th10th12th
20th
45th
37th11th
1st31st
9th
Odious Numbers (Long)
21st
20th
11th
1st
Ordinal Numbers
28th
14th
29th
1st
23rd145th
Pangram Grep
22nd
12th
1st
62nd58th
Pascal’s Triangle
28th
17th
45th
17th
127th
Pernicious Numbers
1st
1st
18th
36th1st
1st21st
Pernicious Numbers (Long)
20th
19th
12th
196th
Poker
8th
40th
Prime Numbers
23rd34th14th
35th1st41st1st
31st
56th24th
14th
Prime Numbers (Long)
21st23rd13th
46th1st31st1st
1st
1st66th
5th
Proximity Grid
8th
QR Decoder
6th
21st
Quine
1st
34th
69th1st
1st85th
Recamán
4th
1st
18th
182nd
Repeating Decimals
17th
Reverse Polish Notation
10th
142nd
Rijndael S-box
15th
Rock-paper-scissors-Spock-lizard
13th
50th
Roman to Arabic
27th
1st10th
Rule 110
5th
10th
61st22nd
Scrambled Sort
20th
Seven Segment
24th
11th
9th
34th
SI Units
9th
Sierpiński Triangle
11th7th9th
13th8th
28th7th
6th
Smith Numbers
4th
12th18th15th
9th
17th16th
31st
Spelling Numbers
6th
64th
Star Wars Opening Crawl
22nd
Sudoku
6th
39th
Sudoku (Fill-in)
15th
62nd
Ten-pin Bowling
16th
Time Distance
13th
73rd
Tongue-twisters
25th
18th
25th
176th
United States
4th
45th
Vampire Numbers
4th
8th
23rd22nd
Van Eck Sequence
31st
22nd
19th
16th
253rd
Zodiac Signs
11th
51st
γ
6th
11th
λ
7th
29th
14th
17th15th
44th26th
π
28th
65th41st
τ
23rd
60th33rd
φ
24th
27th1st
48th36th
√2
19th
27th1st
130th29th
𝑒
23rd
16th
20th
29th
120th24th