12 Days of Christmas
896
Abundant Numbers
797
Abundant Numbers (Long)
954
Arabic to Roman
685
Arrows
476
brainfuck
870
Christmas Trees
697
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
709
Happy Numbers
756
Happy Numbers (Long)
847
Intersection
831
Kolakoski Sequence
912
Leap Years
811
Leyland Numbers
702
Look and Say
622
Lucky Numbers
540
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
859
Roman to Arabic
690
Smith Numbers
421
Spelling Numbers
493
Vampire Numbers
650
Van Eck Sequence
709
π
70
√2
48
𝑒
47