Abundant Numbers
Arabic to Roman
brainfuck
Diamonds
Divisors
Emirp Numbers
Evil Numbers
606
801
Fibonacci
Fizz Buzz
659
891
Happy Numbers
Intersection
Kolakoski Sequence
Leap Years
791
830
Niven Numbers
643
757
Odious Numbers
611
783
Ordinal Numbers
496
691
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
619
643
Quine
Rule 110
Sierpiński Triangle
φ
√2
𝑒