12 Days of Christmas
73rd
24 Game
19th
99 Bottles of Beer
72nd
Abundant Numbers
32nd
Abundant Numbers (Long)
42nd
Arabic to Roman
56th
Arithmetic Numbers
37th
Arrows
45th
Ascending Primes
30th
Catalan Numbers
1st
Collatz
4th
Continued Fractions
21st
Day of Week
136th
Diamonds
64th
Divisors
249th
Evil Numbers
65th
Evil Numbers (Long)
50th
Factorial Factorisation
31st
Farey Sequence
47th
Fibonacci
197th
Fizz Buzz
429th
Fractions
45th
Gijswijt’s Sequence
38th
Happy Numbers
50th
Happy Numbers (Long)
42nd
Intersection
49th
Inventory Sequence
38th
ISBN
35th
Kolakoski Sequence
68th
Leap Years
10th
Levenshtein Distance
40th
Leyland Numbers
29th
ln 2
21st
Look and Say
86th
Lucky Numbers
45th
Niven Numbers
139th
Niven Numbers (Long)
68th
Number Spiral
55th
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
34th
Reverse Polish Notation
39th
Rock-paper-scissors-Spock-lizard
83rd
Roman to Arabic
9th
ROT13
27th31st
Scrambled Sort
16th25th
Set
26th
Snake
18th
Tic-tac-toe
41st
Tower of Hanoi
1st
Ulam Sequence
14th
Van Eck Sequence
61st
√2
43rd