12 Days of Christmas
7th
99 Bottles of Beer
130th
150th💎
Abundant Numbers
18th26th
211th14th
Abundant Numbers (Long)
153rd3rd
Arithmetic Numbers
4th
Ascending Primes
7th
ASCII Table
4th
brainfuck
2nd
Card Number Validation
19th
Catalan Numbers
33rd
Christmas Trees
7th
Collatz
11th
Day of Week
1st
Diamonds
10th
Divisors
26th86th9th115th4th
Emirp Numbers
5th
Emirp Numbers (Long)
5th
Emojify
10th
Evil Numbers
28th62nd
245th12th
Evil Numbers (Long)
35th15th
Factorial Factorisation
5th
Farey Sequence
1st
Fibonacci
183rd7th
Fizz Buzz
8th
Foo Fizz Buzz Bar
4th
Forsyth–Edwards Notation
5th
Fractions
90th1st
Happy Numbers
9th
14th
Happy Numbers (Long)
2nd
Hexdump
10th
Inventory Sequence
15th
ISBN
9th
Jacobi Symbol
7th
Kolakoski Constant
8th
Kolakoski Sequence
18th
Leap Years
18th58th7th51st3rd
Leyland Numbers
43rd
4th
ln 2
1st
Look and Say
10th
Lucky Numbers
9th
Medal Tally
14th
Musical Chords
10th
Niven Numbers
1st
141st28th
Niven Numbers (Long)
1st
Number Spiral
5th
Odious Numbers
58th
141st12th
Odious Numbers (Long)
79th12th
Ordinal Numbers
56th
2nd
PalindromemordnilaP
7th
Pangram Grep
5th
Pascal’s Triangle
80th
3rd
Pernicious Numbers
55th
72nd39th
Pernicious Numbers (Long)
6th
Prime Numbers
77th
11th
Prime Numbers (Long)
1st
Quine
29th
Recamán
8th
Reverse Polish Notation
7th
ROT13
102nd1st
Rule 110
20th
Scrambled Sort
24th
Seven Segment
23rd
Sierpiński Triangle
52nd
17th
Smith Numbers
5th
Spelling Numbers
3rd30th
62nd5th
Tongue-twisters
6th
Transpose Sentence
5th
United States
57th
10th
Van Eck Sequence
16th
1st
π
8th
τ
10th
φ
21st
√2
14th
𝑒
10th