12 Days of Christmas
54th
24 Game
23rd
99 Bottles of Beer
111th
Abundant Numbers
32nd
Abundant Numbers (Long)
42nd
Arabic to Roman
68th
Arithmetic Numbers
37th
Arrows
40th
Ascending Primes
30th
Catalan Numbers
1st
Collatz
4th
Continued Fractions
22nd
Day of Week
140th
Diamonds
70th
Divisors
249th
Evil Numbers
65th
Evil Numbers (Long)
50th
Factorial Factorisation
34th
Farey Sequence
47th
Fibonacci
197th
Fizz Buzz
429th
Fractions
45th
Gijswijt’s Sequence
30th
Happy Numbers
70th
Happy Numbers (Long)
42nd
Intersection
59th
Inventory Sequence
38th
ISBN
35th
Kolakoski Sequence
68th
Leap Years
10th
Levenshtein Distance
45th
Leyland Numbers
36th
ln 2
21st
Look and Say
86th
Lucky Numbers
47th
Niven Numbers
139th
Niven Numbers (Long)
68th
Number Spiral
62nd
Odious Numbers
61st
Odious Numbers (Long)
44th
PalindromemordnilaP
22nd
Partition Numbers
34th
Pascal’s Triangle
9th
Pernicious Numbers
87th
Pernicious Numbers (Long)
22nd
Prime Numbers
51st
Prime Numbers (Long)
1st
Quine
198th
Recamán
64th
Repeating Decimals
35th
Reverse Polish Notation
42nd
Rock-paper-scissors-Spock-lizard
99th
Roman to Arabic
9th
ROT13
28th31st
Scrambled Sort
14th26th
Set
27th
Snake
18th
Tic-tac-toe
43rd
Tower of Hanoi
1st
Ulam Sequence
14th
Van Eck Sequence
61st
√2
43rd