12 Days of Christmas
8th
99 Bottles of Beer
136th170th2nd
Abundant Numbers
18th29th229th14th
Abundant Numbers (Long)
174th3rd
Arithmetic Numbers
5th
Ascending Primes
7th
ASCII Table
5th
brainfuck
3rd
Card Number Validation
22nd
Catalan Numbers
37th
Christmas Trees
7th
Collatz
11th
Day of Week
1st
Diamonds
11th
Divisors
28th88th124th5th
Emirp Numbers
5th
Emirp Numbers (Long)
5th
Emojify
11th
Evil Numbers
29th65th261st12th
Evil Numbers (Long)
43rd16th
Factorial Factorisation
6th
Farey Sequence
1st
Fibonacci
197th8th
Foo Fizz Buzz Bar
5th
Forsyth–Edwards Notation
5th
Fractions
101st1st
Happy Numbers
9th
14th
Happy Numbers (Long)
4th
Hexdump
10th
Inventory Sequence
15th
ISBN
9th
Jacobi Symbol
8th
Kolakoski Constant
8th
Kolakoski Sequence
19th
Leap Years
19th63rd61st4th
Leyland Numbers
45th
4th
ln 2
1st
Look and Say
11th
Lucky Numbers
11th
Medal Tally
16th
Musical Chords
13th
Niven Numbers
1st158th32nd
Niven Numbers (Long)
1st
Number Spiral
6th
Odious Numbers
63rd154th12th
Odious Numbers (Long)
90th12th
Ordinal Numbers
63rd
2nd
PalindromemordnilaP
Pangram Grep
5th
Pascal’s Triangle
84th
3rd
Pernicious Numbers
57th80th42nd
Pernicious Numbers (Long)
8th
Prime Numbers
83rd
12th
Prime Numbers (Long)
1st
Quine
1st
Recamán
8th
Reverse Polish Notation
7th
ROT13
113th1st
Rule 110
23rd
Scrambled Sort
28th
Seven Segment
24th
Sierpiński Triangle
55th
18th
Smith Numbers
6th
Spelling Numbers
3rd33rd68th6th
Tongue-twisters
8th
Transpose Sentence
5th
United States
59th
10th
Van Eck Sequence
17th
1st
π
10th
τ
12th
φ
22nd
√2
14th
𝑒
10th