Abundant Numbers
696
681
Abundant Numbers (Long)
729
764
Catalan Numbers
1,000
1,000
Christmas Trees
686
614
Collatz
873
760
Diamonds
483
Divisors
875
871
Emirp Numbers
563
500
Emirp Numbers (Long)
676
553
Evil Numbers
569
851
Evil Numbers (Long)
582
837
Fibonacci
943
947
Fizz Buzz
966
869
Foo Fizz Buzz Bar
898
742
Fractions
733
653
Happy Numbers
630
578
Happy Numbers (Long)
756
735
Intersection
679
585
ISBN
602
Kolakoski Sequence
516
598
Leap Years
976
878
Leyland Numbers
642
795
Look and Say
536
472
Niven Numbers
764
815
Niven Numbers (Long)
877
893
Odious Numbers
569
870
Odious Numbers (Long)
582
854
Ordinal Numbers
717
695
Pangram Grep
797
735
Pascal’s Triangle
658
862
Pernicious Numbers
420
727
Pernicious Numbers (Long)
505
773
Prime Numbers
766
690
Prime Numbers (Long)
792
746
Quine
694
Recamán
671
797
Reverse Polish Notation
725
549
Time Distance
589
418
Van Eck Sequence
552
√2
467