12 Days of Christmas
647
99 Bottles of Beer
599
Abundant Numbers
742
Arithmetic Numbers
795
Ascending Primes
401
Catalan Numbers
830
Collatz
770
CSS Colors
82
Divisors
947
Emirp Numbers
491
Factorial Factorisation
447
Farey Sequence
637
Fibonacci
947
Fizz Buzz
883
Foo Fizz Buzz Bar
786
Fractions
861
Leap Years
741
ln 2
881
Lucky Numbers
765
N Queens
856
Niven Numbers
936
Niven Numbers (Long)
943
Partition Numbers
477
Pascal’s Triangle
649
Prime Numbers
889
Prime Numbers (Long)
978
Quine
969
Sierpiński Triangle
607
π
967
τ
951
φ
945
√2
875
𝑒
873