Abundant Numbers
659710
Arabic to Roman
429
ASCII Table
425
Catalan Numbers
246
Christmas Trees
610692
Collatz
706
Cubes
394434
Diamonds
386391
Divisors
844921
Emirp Numbers
406
Evil Numbers
727774
Fibonacci
657747
Fizz Buzz
337
701615
Foo Fizz Buzz Bar
560633
Fractions
532
Happy Numbers
420
Happy Numbers (Long)
529
Intersection
503
ISBN
542
Jacobi Symbol
414
Kolakoski Sequence
487
Leap Years
661826
Leyland Numbers
694
Look and Say
484
Lucky Numbers
476
Lucky Tickets
217
Morse Decoder
250
Morse Encoder
236
Niven Numbers
731521
Number Spiral
325
Odious Numbers
739797
Odious Numbers (Long)
737
Ordinal Numbers
527
Pangram Grep
618
Pascal’s Triangle
456
Pernicious Numbers
372
Poker
243
Prime Numbers
577623
Prime Numbers (Long)
611660
Recamán
522
Rock-paper-scissors-Spock-lizard
319
Roman to Arabic
303
Rule 110
348
Sierpiński Triangle
494312
Smith Numbers
390
Sudoku
192
Sudoku (Fill-in)
146
Vampire Numbers
520
Van Eck Sequence
487
λ
289275
π
334
τ
338
φ
459
√2
439
𝑒
380