Abundant Numbers
660711
Arabic to Roman
430
ASCII Table
425
Catalan Numbers
246
Christmas Trees
610693
Collatz
707
Cubes
394435
Diamonds
386392
Divisors
844923
Emirp Numbers
406
Evil Numbers
727776
Fibonacci
658747
Fizz Buzz
338
701615
Foo Fizz Buzz Bar
561634
Fractions
533
Happy Numbers
421
Happy Numbers (Long)
529
Intersection
504
ISBN
543
Jacobi Symbol
415
Kolakoski Sequence
478
Leap Years
662827
Leyland Numbers
694
Look and Say
484
Lucky Numbers
468
Lucky Tickets
218
Morse Decoder
251
Morse Encoder
236
Niven Numbers
732521
Number Spiral
326
Odious Numbers
739799
Odious Numbers (Long)
738
Ordinal Numbers
527
Pangram Grep
619
Pascal’s Triangle
456
Pernicious Numbers
372
Poker
240
Prime Numbers
577624
Prime Numbers (Long)
612661
Recamán
522
Rock-paper-scissors-Spock-lizard
320
Roman to Arabic
303
Rule 110
349
Sierpiński Triangle
495312
Smith Numbers
390
Sudoku
193
Sudoku (Fill-in)
147
Vampire Numbers
520
Van Eck Sequence
488
λ
288275
π
334
τ
338
φ
459
√2
439
𝑒
381