12 Days of Christmas
854
24 Game
36
99 Bottles of Beer
673
Abundant Numbers
743
Abundant Numbers (Long)
845
Arithmetic Numbers
849
Ascending Primes
128
ASCII Table
307
Catalan Numbers
518
Catalan’s Constant
73
Christmas Trees
907
Collatz
932
CSS Colors
195
Divisors
919
Emirp Numbers
624
Emirp Numbers (Long)
691
Emojify
303
Evil Numbers
833
Evil Numbers (Long)
820
Factorial Factorisation
672
Farey Sequence
520
Fibonacci
878
Fizz Buzz
983
Foo Fizz Buzz Bar
1,000
Fractions
808
Happy Numbers
681
Happy Numbers (Long)
783
Intersection
831
ISBN
816
Kolakoski Constant
74
Leap Years
729
Leyland Numbers
811
ln 2
52
Look and Say
57
Morse Encoder
118
N Queens
648
Niven Numbers
759
Niven Numbers (Long)
833
Number Spiral
256
Odious Numbers
870
Odious Numbers (Long)
872
Pangram Grep
809
Pernicious Numbers
816
Pernicious Numbers (Long)
929
Prime Numbers
656
Prime Numbers (Long)
698
Quine
939
Recamán
681
Rijndael S-box
163
Tongue-twisters
650
United States
180
Van Eck Sequence
615
γ
80
λ
162
π
455
τ
455
φ
570
35√2
510
𝑒
429
39