12 Days of Christmas
19th
99 Bottles of Beer
102nd
72nd5th
Abundant Numbers
18th29th
166th3rd
Abundant Numbers (Long)
143rd3rd
Arithmetic Numbers
4th
Ascending Primes
7th
ASCII Table
7th
brainfuck
4th
Card Number Validation
22nd
Catalan Numbers
34th
Christmas Trees
4th
Collatz
11th
Day of Week
1st
Diamonds
13th
Divisors
27th88th10th1st1st
Emirp Numbers
25th
Emirp Numbers (Long)
10th
Emojify
11th
Evil Numbers
29th64th
259th4th
Evil Numbers (Long)
42nd16th
Factorial Factorisation
1st
Farey Sequence
1st
Fibonacci
193rd8th
Fizz Buzz
10th
Foo Fizz Buzz Bar
6th
Forsyth–Edwards Notation
1st
Fractions
64th1st
Happy Numbers
14th
21st
Happy Numbers (Long)
1st
Hexdump
15th
Inventory Sequence
15th
ISBN
16th
Jacobi Symbol
15th
Kolakoski Constant
11th
Kolakoski Sequence
19th
Leap Years
19th62nd10th59th18th
Leyland Numbers
42nd
3rd
ln 2
1st
Look and Say
10th
Lucky Numbers
12th
Medal Tally
17th
Musical Chords
12th
Niven Numbers
1st
155th32nd
Niven Numbers (Long)
1st
Number Spiral
13th
Odious Numbers
62nd
151st5th
Odious Numbers (Long)
89th12th
Ordinal Numbers
61st
1st
PalindromemordnilaP
Pangram Grep
5th
Pascal’s Triangle
84th
1st
Pernicious Numbers
57th
78th41st
Pernicious Numbers (Long)
8th
Prime Numbers
81st
1st
Prime Numbers (Long)
1st
Quine
1st
Recamán
8th
Reverse Polish Notation
13th
ROT13
96th1st
Rule 110
24th
Scrambled Sort
25th
Seven Segment
24th
Sierpiński Triangle
54th
18th
Smith Numbers
10th
Spelling Numbers
2nd2nd
23rd2nd
Tongue-twisters
22nd
Transpose Sentence
10th
United States
57th
18th
Van Eck Sequence
17th
1st
π
10th
τ
13th
φ
22nd
√2
14th
𝑒
10th