Abundant Numbers
688743
Arabic to Roman
601
ASCII Table
539
Catalan Numbers
246
Christmas Trees
701696
Collatz
842
Cubes
563416
Diamonds
463395
Divisors
890921
Emirp Numbers
501
Evil Numbers
727774
Fibonacci
657747
Fizz Buzz
341
768617
Foo Fizz Buzz Bar
705639
Fractions
625
Happy Numbers
542
Happy Numbers (Long)
623
Intersection
685
ISBN
694
Jacobi Symbol
567
Kolakoski Sequence
487
Leap Years
662827
Leyland Numbers
815
Look and Say
594
Lucky Numbers
493
Lucky Tickets
286
Morse Decoder
362
Morse Encoder
340
Niven Numbers
733524
Number Spiral
399
Odious Numbers
739797
Odious Numbers (Long)
737
Ordinal Numbers
646
Pangram Grep
729
Pascal’s Triangle
492
Pernicious Numbers
372
Poker
465
Prime Numbers
577623
Prime Numbers (Long)
611660
Recamán
578
Rock-paper-scissors-Spock-lizard
530
Roman to Arabic
400
Rule 110
407
Sierpiński Triangle
530317
Smith Numbers
529
Sudoku
313
Sudoku (Fill-in)
226
Vampire Numbers
703
Van Eck Sequence
514
λ
392439
π
374
τ
378
φ
469
√2
441
𝑒
381