Abundant Numbers
Arabic to Roman
brainfuck
Diamonds
Divisors
Emirp Numbers
Evil Numbers
646
816
Fibonacci
Fizz Buzz
673
983
Happy Numbers
Intersection
Kolakoski Sequence
Leap Years
818
843
Niven Numbers
671
772
Odious Numbers
654
800
Ordinal Numbers
582
871
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
658
656
Quine
Rule 110
Sierpiński Triangle
φ
√2
𝑒