12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
721
766
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Ascending Primes
ASCII Table
brainfuck
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Day of Week
DFA Simulator
Diamonds
Emirp Numbers
Farey Sequence
707
773
Fibonacci
931
956
Fizz Buzz
ISBN
561
624
Leap Years
Look and Say
Lucky Tickets
Niven Numbers
886
884
Pascal’s Triangle
Recamán
Rule 110
8
Vampire Numbers
λ
196
π