Abundant Numbers
688744
Arabic to Roman
602
ASCII Table
539
Catalan Numbers
246
Christmas Trees
701697
Collatz
842
Cubes
555416
Diamonds
463395
Divisors
890922
Emirp Numbers
501
Evil Numbers
727775
Fibonacci
658747
Fizz Buzz
341
768617
Foo Fizz Buzz Bar
706639
Fractions
626
Happy Numbers
542
Happy Numbers (Long)
624
Intersection
686
ISBN
694
Jacobi Symbol
568
Kolakoski Sequence
487
Leap Years
662828
Leyland Numbers
815
Look and Say
594
Lucky Numbers
485
Lucky Tickets
287
Morse Decoder
362
Morse Encoder
340
Niven Numbers
734524
Number Spiral
399
Odious Numbers
739798
Odious Numbers (Long)
738
Ordinal Numbers
647
Pangram Grep
730
Pascal’s Triangle
492
Pernicious Numbers
372
Poker
458
Prime Numbers
577623
Prime Numbers (Long)
611661
Recamán
579
Rock-paper-scissors-Spock-lizard
530
Roman to Arabic
400
Rule 110
407
Sierpiński Triangle
521317
Smith Numbers
530
Sudoku
313
Sudoku (Fill-in)
226
Vampire Numbers
704
Van Eck Sequence
514
λ
392440
π
374
τ
378
φ
469
√2
441
𝑒
382