12 Days of Christmas
7th
99 Bottles of Beer
126th
146th2nd
Abundant Numbers
18th26th
205th14th
Abundant Numbers (Long)
149th3rd
Arithmetic Numbers
4th
Ascending Primes
7th
ASCII Table
4th
brainfuck
2nd
Card Number Validation
19th
Catalan Numbers
32nd
Christmas Trees
7th
Collatz
11th
Day of Week
1st
Diamonds
9th
Divisors
25th83rd9th111th4th
Emirp Numbers
5th
Emirp Numbers (Long)
4th
Emojify
10th
Evil Numbers
28th62nd
240th12th
Evil Numbers (Long)
33rd15th
Factorial Factorisation
5th
Farey Sequence
1st
Fibonacci
174th7th
Fizz Buzz
8th
Foo Fizz Buzz Bar
3rd
Forsyth–Edwards Notation
5th
Fractions
87th1st
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
17th55th7th49th3rd
Leyland Numbers
42nd
4th
ln 2
1st
Look and Say
10th
Lucky Numbers
9th
Medal Tally
14th
Musical Chords
10th
Niven Numbers
1st
131st28th
Niven Numbers (Long)
1st
Number Spiral
5th
Odious Numbers
57th
136th12th
Odious Numbers (Long)
74th12th
Ordinal Numbers
56th
2nd
PalindromemordnilaP
7th
Pangram Grep
5th
Pascal’s Triangle
78th
3rd
Pernicious Numbers
54th
67th38th
Pernicious Numbers (Long)
6th
Prime Numbers
74th
11th
Prime Numbers (Long)
1st
Quine
1st
Recamán
8th
Reverse Polish Notation
7th
ROT13
95th1st
Rule 110
20th
Scrambled Sort
20th
Seven Segment
22nd
Sierpiński Triangle
52nd
17th
Smith Numbers
5th
Spelling Numbers
3rd29th
61st5th
Tongue-twisters
5th
Transpose Sentence
5th
United States
55th
10th
Van Eck Sequence
16th
1st
π
8th
τ
10th
φ
21st
√2
14th
𝑒
10th