12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
900959
Arrows
908959
Ascending Primes
ASCII Table
brainfuck
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
922967
CSS Colors
862947
Day of Week
889944
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
931966
Evil Numbers
917971981
Evil Numbers (Long)
919957974
Factorial Factorisation
Farey Sequence
921944
Fibonacci
935981986
Fizz Buzz
Foo Fizz Buzz Bar
935971
Fractions
883949
Gijswijt’s Sequence
932948
Happy Numbers
927796
Happy Numbers (Long)
915952
Intersection
Inventory Sequence
926945
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Sequence
Leap Years
932979
Leyland Numbers
915955
ln 2
923947
Look and Say
936963
Lucky Numbers
Lucky Tickets
892927
Medal Tally
Morse Decoder
Niven Numbers
931972981
Niven Numbers (Long)
Odious Numbers
918969979
Odious Numbers (Long)
915954971
Ordinal Numbers
910963
Pangram Grep
900960
Pascal’s Triangle
Pernicious Numbers
928967977
Pernicious Numbers (Long)
926956
Prime Numbers
911971
Prime Numbers (Long)
Quine
Recamán
Repeating Decimals
Rijndael S-box
ROT13
Seven Segment
Smith Numbers
Star Wars Opening Crawl
Tongue-twisters
Transpose Sentence
815833
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
γ
906905
π
928969
τ
926959
φ
917954
√2
919957
𝑒
924959