12 Days of Christmas
12th
17th
21st
31st
10th
24 Game
15th
4th
99 Bottles of Beer
27th
98th
8th
Abundant Numbers
18th
71st
6th
Abundant Numbers (Long)
9th
48th
6th
Arabic to Roman
34th
12th
Arrows
72nd
Ascending Primes
70th
ASCII Table
18th
47th
8th
brainfuck
42nd4th
Card Number Validation
128th
Catalan Numbers
15th
87th
284th
4th
Catalan’s Constant
16th
46th
127th
4th
Christmas Trees
24th
32nd
2nd
Collatz
17th
172nd
9th
CSS Colors
37th
63rd
4th
Cubes
11th
90th
4th
Day of Week
1st
58th
43rd
6th
Diamonds
20th
42nd
79th
3rd
Divisors
32nd
1st
8th
Emirp Numbers
15th
110th
166th
4th
Emirp Numbers (Long)
10th
45th
2nd
Emojify
98th
Evil Numbers
22nd
21st
118th
6th
Evil Numbers (Long)
10th
13th
33rd
4th
Factorial Factorisation
146th
Fibonacci
25th
161st
25th
Fizz Buzz
165th
94th
54th
1st
263rd
38th
9th
16th
Foo Fizz Buzz Bar
8th
51st
16th
7th
Forsyth–Edwards Notation
33rd
Fractions
40th
1st
Game of Life
54th
Gijswijt’s Sequence
7th
8th
3rd
5th
8th
35th
10th8th
112th
7th
4th
11th
Happy Numbers
12th
49th
139th
7th
Happy Numbers (Long)
10th
41st
3rd
Hexdump
69th
Intersection
23rd
Inventory Sequence
14th
125th
3rd
ISBN
43rd
Jacobi Symbol
43rd
Kolakoski Constant
20th17th26th18th15th39th24th20th17th22nd11th16th16th9th6th13th17th18th20th14th
16th8th29th43rd12th7th24th6th5th7th12th17th33rd8th119th12th13th33rd10th7th6th5th8th5th7th4th10th11th
Kolakoski Sequence
21st
103rd
13th
5th
Leap Years
18th
352nd
10th
Levenshtein Distance
15th
Leyland Numbers
16th
57th
4th
ln 2
97th
Look and Say
8th
51st
3rd
Lucky Numbers
13th
12th
51st
77th
4th
Lucky Tickets
119th
Morse Decoder
134th
Morse Encoder
130th
N Queens
34th
Niven Numbers
21st
272nd
7th
Niven Numbers (Long)
15th
205th
6th
Number Spiral
15th
5th
Odious Numbers
22nd
22nd
137th
7th
Odious Numbers (Long)
11th
13th
134th
4th
Ordinal Numbers
44th
1st
6th
Pangram Grep
52nd
Pascal’s Triangle
18th
88th
39th
7th
Pernicious Numbers
17th
130th
6th
Pernicious Numbers (Long)
14th
109th
6th
Prime Numbers
19th
253rd
77th
375th
26th
7th
Prime Numbers (Long)
14th
538th
27th
5th
Quine
1st
1st
63rd
Recamán
17th
20th
4th
Repeating Decimals
9th
41st
Reverse Polish Notation
60th
Rijndael S-box
12th
2nd
Rock-paper-scissors-Spock-lizard
10th
100th
Roman to Arabic
45th
ROT13
86th
23rd
Rule 110
16th
96th
266th
3rd
Seven Segment
59th
SI Units
20th
3rd
Sierpiński Triangle
14th
3rd
Smith Numbers
14th
63rd
10th
4th
Spelling Numbers
82nd
Time Distance
28th
Tongue-twisters
16th8th
66th
10th
Transpose Sentence
131st
United States
127th
Vampire Numbers
17th
44th
3rd
Van Eck Sequence
15th
133rd
2nd
Zeckendorf Representation
23rd
γ
13th
27th
68th
5th
4th
λ
25th
51st
108th
4th
π
22nd
169th
199th
20th
4th
τ
23rd
108th
19th
4th
φ
27th
111th
4th
√2
24th
93rd
4th
𝑒
24th
74th11th
5th