Abundant Numbers
657708
Arabic to Roman
429
ASCII Table
426
Catalan Numbers
245
Christmas Trees
608690
Collatz
681
Cubes
376434
Diamonds
384378
Divisors
824914
Emirp Numbers
405
Evil Numbers
726775
Fibonacci
656746
Fizz Buzz
334
700614
Foo Fizz Buzz Bar
559634
Fractions
533
Happy Numbers
419
Happy Numbers (Long)
526
Intersection
494
ISBN
540
Jacobi Symbol
401
Kolakoski Sequence
477
Leap Years
660771
Leyland Numbers
689
Look and Say
481
Lucky Numbers
463
Lucky Tickets
217
Morse Decoder
245
Morse Encoder
232
Niven Numbers
728517
Number Spiral
324
Odious Numbers
737796
Odious Numbers (Long)
735
Ordinal Numbers
503
Pangram Grep
616
Pascal’s Triangle
455
Pernicious Numbers
371
Poker
234
Prime Numbers
577624
Prime Numbers (Long)
611662
Recamán
519
Rock-paper-scissors-Spock-lizard
318
Roman to Arabic
302
Rule 110
344
Sierpiński Triangle
489285
Smith Numbers
388
Sudoku
191
Sudoku (Fill-in)
146
Vampire Numbers
514
Van Eck Sequence
486
λ
261266
π
333
τ
337
φ
459
√2
428
𝑒
371