12 Days of Christmas
6th
216th
24 Game
4th
99 Bottles of Beer
141st
6th
523rd
9th11th
Abundant Numbers
306th
13th
168th
12th
Abundant Numbers (Long)
156th
9th
117th
Arabic to Roman
8th
Arithmetic Numbers
84th
17th
17th
71st
Ascending Primes
9th6th
ASCII Table
379th
6th
brainfuck
100th
359th
Card Number Validation
139th
Catalan Numbers
25th
220th
9th5th
Catalan’s Constant
15th
7th
21st
11th
8th
6th
7th
6th
4th9th
Christmas Trees
16th
28th
2nd
804th
8th
Collatz
22nd18th
34th
29th
24th58th
241st
23rd
6th
10th
CSS Colors
10th
Cubes
15th
Day of Week
155th
Diamonds
11th
44th
6th
89th
9th
Divisors
28th
447th53rd
4th
118th
12th
13th
Emirp Numbers
20th
33rd
13th39th
632nd
6th
Emirp Numbers (Long)
320th
Emojify
6th
71st
Evil Numbers
27th
44th
29th
603rd
14th
11th
Evil Numbers (Long)
21st
17th
366th
Factorial Factorisation
15th
Farey Sequence
19th
19th
211th
Fibonacci
504th
56th
7th
120th
32nd
1st
107th
66th
67th43rd
Fizz Buzz
85th
744th
43rd
1st149th
9th
366th
209th
43rd362nd
49th21st64th45th
Foo Fizz Buzz Bar
859th
Gijswijt’s Sequence
11th
Happy Numbers
9th
6th
Happy Numbers (Long)
376th
Inventory Sequence
233rd
Kolakoski Constant
8th
43rd
12th
15th
14th17th
144th
12th
7th
8th4th
Kolakoski Sequence
38th
9th
Leap Years
9th
377th
16th
Leyland Numbers
24th
9th
9th7th
ln 2
31st
Look and Say
25th
14th
11th
8th
Lucky Numbers
248th
Medal Tally
72nd
Morse Decoder
14th
160th
Morse Encoder
13th
Niven Numbers
14th
25th
47th
67th
14th
Niven Numbers (Long)
11th
468th
Number Spiral
191st
Odious Numbers
1st
28th
301st
10th
Odious Numbers (Long)
1st
15th
221st
Pangram Grep
3rd
Pascal’s Triangle
34th
34th
9th
Pernicious Numbers
1st
637th
9th
Pernicious Numbers (Long)
1st
272nd
6th
Polyominoes
83rd
Prime Numbers
1st
325th
24th
498th
121st
22nd11th
Prime Numbers (Long)
1st
254th
67th
Quine
136th
1st
72nd
Recamán
9th
9th
Reverse Polish Notation
243rd
Rijndael S-box
19th
ROT13
151st
Seven Segment
6th
Sierpiński Triangle
11th15th13th17th
73rd38th41st15th11th10th
19th21st19th11th18th11th
28th12th32nd15th15th36th118th22nd15th27th17th17th11th23rd28th28th9th331st14th33rd50th34th8th
12th16th10th
11th7th15th
Smith Numbers
9th
Sudoku
127th
Tongue-twisters
17th
239th
7th
Tower of Hanoi
5th
Trinomial Triangle
13th
United States
12th
338th
Vampire Numbers
5th
Van Eck Sequence
49th
16th
9th
γ
17th
5th
λ
12th
71st48th
9th
26th12th
26th
15th
15th
20th
12th
12th21st
152nd
15th34th18th
12th8th
10th6th
π
127th
194th76th
42nd
397th
6th
τ
9th
6th
φ
15th40th
37th15th
73rd
39th22nd
353rd
6th
√2
38th
6th
𝑒
29th13th22nd9th85th67th
14th
50th32nd15th34th13th26th
16th
37th
9th50th113th74th
40th11th21st9th41st26th45th13th401st90th15th66th24th
26th8th12th11th6th11th7th12th