12 Days of Christmas
419
24 Game
13
99 Bottles of Beer
228
Arithmetic Numbers
2
Arrows
408
Ascending Primes
131
ASCII Table
249
Catalan Numbers
10
Christmas Trees
85
Collatz
937
Cubes
33
Day of Week
1,000
Diamonds
42
Evil Numbers
345
Evil Numbers (Long)
370
Factorial Factorisation
370
Farey Sequence
10
Fibonacci
719
Fizz Buzz
776
Fractions
514
Happy Numbers
304
Happy Numbers (Long)
453
Inventory Sequence
15
Kolakoski Constant
65
Leap Years
815
Levenshtein Distance
244
Leyland Numbers
63
Niven Numbers
550
Niven Numbers (Long)
493
Odious Numbers
316
Odious Numbers (Long)
356
Pascal’s Triangle
10248
Pernicious Numbers
394
Prime Numbers
381
Prime Numbers (Long)
5
Quine
941
Recamán
46
Rule 110
6
Sierpiński Triangle
114
Smith Numbers
41
Tongue-twisters
367
United States
199
λ
103
π
127