12 Days of Christmas
19th
99 Bottles of Beer
101st
67th5th
Abundant Numbers
18th27th
163rd3rd
Abundant Numbers (Long)
139th3rd
Arithmetic Numbers
4th
Ascending Primes
7th
ASCII Table
7th
brainfuck
4th
Card Number Validation
20th
Catalan Numbers
34th
Christmas Trees
4th
Collatz
11th
Day of Week
1st
Diamonds
12th
Divisors
27th88th10th1st1st
Emirp Numbers
24th
Emirp Numbers (Long)
10th
Emojify
11th
Evil Numbers
29th64th
256th4th
Evil Numbers (Long)
41st15th
Factorial Factorisation
1st
Farey Sequence
1st
Fibonacci
189th8th
Fizz Buzz
10th
Foo Fizz Buzz Bar
6th
Forsyth–Edwards Notation
1st
Fractions
60th1st
Happy Numbers
14th
20th
Happy Numbers (Long)
1st
Hexdump
14th
Inventory Sequence
15th
ISBN
16th
Jacobi Symbol
15th
Kolakoski Constant
11th
Kolakoski Sequence
19th
Leap Years
19th61st9th56th18th
Leyland Numbers
42nd
3rd
ln 2
1st
Look and Say
10th
Lucky Numbers
12th
Medal Tally
16th
Musical Chords
10th
Niven Numbers
1st
150th31st
Niven Numbers (Long)
1st
Number Spiral
12th
Odious Numbers
62nd
149th5th
Odious Numbers (Long)
85th12th
Ordinal Numbers
58th
1st
PalindromemordnilaP
Pangram Grep
5th
Pascal’s Triangle
81st
1st
Pernicious Numbers
56th
77th41st
Pernicious Numbers (Long)
8th
Prime Numbers
79th
1st
Prime Numbers (Long)
1st
Quine
1st
Recamán
8th
Reverse Polish Notation
12th
ROT13
93rd1st
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
16th
1st
π
10th
τ
13th
φ
21st
√2
14th
𝑒
10th