12 Days of Christmas
7th
99 Bottles of Beer
131st
154th💎
Abundant Numbers
18th27th
218th14th
Abundant Numbers (Long)
165th3rd
Arithmetic Numbers
4th
Ascending Primes
7th
ASCII Table
4th
brainfuck
2nd
Card Number Validation
20th
Catalan Numbers
34th
Christmas Trees
7th
Collatz
11th
Day of Week
1st
Diamonds
10th
Divisors
27th88th9th119th4th
Emirp Numbers
5th
Emirp Numbers (Long)
5th
Emojify
10th
Evil Numbers
28th63rd
255th12th
Evil Numbers (Long)
41st15th
Factorial Factorisation
5th
Farey Sequence
1st
Fibonacci
189th8th
Fizz Buzz
10th
Foo Fizz Buzz Bar
4th
Forsyth–Edwards Notation
5th
Fractions
94th1st
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
19th60th9th56th3rd
Leyland Numbers
44th
4th
ln 2
1st
Look and Say
11th
Lucky Numbers
10th
Medal Tally
14th
Musical Chords
12th
Niven Numbers
1st
149th30th
Niven Numbers (Long)
1st
Number Spiral
5th
Odious Numbers
61st
147th12th
Odious Numbers (Long)
83rd12th
Ordinal Numbers
58th
2nd
PalindromemordnilaP
Pangram Grep
5th
Pascal’s Triangle
81st
3rd
Pernicious Numbers
55th
77th40th
Pernicious Numbers (Long)
7th
Prime Numbers
78th
11th
Prime Numbers (Long)
1st
Quine
1st
Recamán
8th
Reverse Polish Notation
7th
ROT13
107th1st
Rule 110
22nd
Scrambled Sort
26th
Seven Segment
23rd
Sierpiński Triangle
54th
18th
Smith Numbers
5th
Spelling Numbers
3rd31st
63rd5th
Tongue-twisters
7th
Transpose Sentence
5th
United States
58th
10th
Van Eck Sequence
16th
1st
π
9th
τ
11th
φ
21st
√2
14th
𝑒
10th