Abundant Numbers
696
708
Abundant Numbers (Long)
729
861
Catalan Numbers
1,000
1,000
Christmas Trees
686
705
Collatz
873
907
Diamonds
578
Divisors
875
919
Emirp Numbers
641
618
Emirp Numbers (Long)
676
667
Evil Numbers
569
851
Evil Numbers (Long)
582
837
Fibonacci
943
947
Fizz Buzz
966
951
Foo Fizz Buzz Bar
898
933
Fractions
733
768
Happy Numbers
765
747
Happy Numbers (Long)
756
867
Intersection
730
800
ISBN
771
Kolakoski Sequence
516
598
Leap Years
976
878
Leyland Numbers
642
936
Look and Say
536
583
Niven Numbers
764
815
Niven Numbers (Long)
877
893
Odious Numbers
569
870
Odious Numbers (Long)
582
854
Ordinal Numbers
717
853
Pangram Grep
797
867
Pascal’s Triangle
658
931
Pernicious Numbers
420
727
Pernicious Numbers (Long)
505
788
Prime Numbers
766
690
Prime Numbers (Long)
792
746
Quine
694
Recamán
671
884
Reverse Polish Notation
725
757
Time Distance
822
753
Van Eck Sequence
583
√2
467