Abundant Numbers
699
785
Arabic to Roman
620
ASCII Table
547
Catalan Numbers
253
Christmas Trees
713
742
Collatz
861
Cubes
573
446
Diamonds
472
426
Divisors
905
975
Emirp Numbers
511
Evil Numbers
741
824
Fibonacci
667
780
Fizz Buzz
348
773
635
Foo Fizz Buzz Bar
716
681
Fractions
646
Happy Numbers
554
Happy Numbers (Long)
643
Intersection
711
ISBN
717
Jacobi Symbol
595
Kolakoski Sequence
505
Leap Years
672
870
Leyland Numbers
839
Look and Say
612
Lucky Numbers
509
Lucky Tickets
302
Morse Decoder
370
Morse Encoder
347
Niven Numbers
746
555
Number Spiral
415
Odious Numbers
755
853
Odious Numbers (Long)
759
Ordinal Numbers
664
Pangram Grep
750
Pascal’s Triangle
505
Pernicious Numbers
381
Poker
477
Prime Numbers
588
663
Prime Numbers (Long)
629
713
Recamán
592
Rock-paper-scissors-Spock-lizard
537
Roman to Arabic
414
Rule 110
417
Sierpiński Triangle
541
340
Smith Numbers
550
Sudoku
323
Sudoku (Fill-in)
236
Vampire Numbers
726
Van Eck Sequence
533
λ
403
448
π
382
τ
389
φ
482
√2
450
𝑒
390