12 Days of Christmas
896
Abundant Numbers
813
Abundant Numbers (Long)
923
Arabic to Roman
685
Arrows
476
brainfuck
870
Christmas Trees
764
Collatz
919
Diamonds
482
Divisors
1,000
Emirp Numbers
872
Emirp Numbers (Long)
704
Evil Numbers
816
Evil Numbers (Long)
804
Fibonacci
947
Fizz Buzz
951
Foo Fizz Buzz Bar
922
Fractions
816
Happy Numbers
756
Happy Numbers (Long)
847
Intersection
831
Kolakoski Sequence
912
Leap Years
811
Leyland Numbers
702
Look and Say
622
Lucky Numbers
550
Niven Numbers
957
Niven Numbers (Long)
909
Odious Numbers
800
Odious Numbers (Long)
788
Ordinal Numbers
844
Pangram Grep
878
Pascal’s Triangle
947
Pernicious Numbers
714
Pernicious Numbers (Long)
732
Prime Numbers
816
Prime Numbers (Long)
721
Quine
912
Recamán
873
Roman to Arabic
690
Smith Numbers
421
Spelling Numbers
495
Vampire Numbers
650
Van Eck Sequence
709
π
70
√2
48
𝑒
47