12 Days of Christmas
20th
99 Bottles of Beer
109th85th5th
Abundant Numbers
19th33rd176th3rd
Abundant Numbers (Long)
150th3rd
Arithmetic Numbers
4th
Ascending Primes
8th
ASCII Table
7th
brainfuck
4th
Card Number Validation
23rd
Catalan Numbers
43rd
Christmas Trees
4th
Collatz
13th
Day of Week
1st
Diamonds
15th
Divisors
29th92nd25th1st
Emirp Numbers
29th
Emirp Numbers (Long)
11th
Emojify
13th
Evil Numbers
30th70th276th4th
Evil Numbers (Long)
49th18th
Factorial Factorisation
1st
Farey Sequence
1st
Fibonacci
213th11th
Foo Fizz Buzz Bar
6th
Forsyth–Edwards Notation
1st
Fractions
78th1st
Happy Numbers
16th
24th
Happy Numbers (Long)
1st
Hexdump
16th
Inventory Sequence
17th
ISBN
17th
Jacobi Symbol
17th
Kolakoski Constant
11th
Kolakoski Sequence
21st
Leap Years
22nd77th68th19th
Leyland Numbers
44th
3rd
ln 2
1st
Look and Say
11th
Lucky Numbers
13th
Medal Tally
19th
Musical Chords
17th
Niven Numbers
1st164th32nd
Niven Numbers (Long)
1st
Number Spiral
16th
Odious Numbers
69th171st6th
Odious Numbers (Long)
102nd14th
Ordinal Numbers
70th
1st
PalindromemordnilaP
Pangram Grep
5th
Pascal’s Triangle
93rd
1st
Pernicious Numbers
67th88th48th
Pernicious Numbers (Long)
9th
Prime Numbers
88th
1st
Prime Numbers (Long)
1st
Quine
1st
Recamán
9th
Reverse Polish Notation
15th
ROT13
109th1st
Rule 110
29th
Scrambled Sort
30th
Seven Segment
29th
Sierpiński Triangle
60th
20th
Smith Numbers
11th
Spelling Numbers
2nd5th30th2nd
Tongue-twisters
25th
Transpose Sentence
11th
United States
64th
21st
Van Eck Sequence
18th
1st
π
10th
τ
14th
φ
27th
√2
16th
𝑒
10th