Abundant Numbers
678
697
Abundant Numbers (Long)
702
839
Catalan Numbers
954
972
Christmas Trees
667
693
Collatz
847
887
Diamonds
Divisors
856
904
Emirp Numbers
619
605
Emirp Numbers (Long)
640
644
Evil Numbers
553
835
Evil Numbers (Long)
557
815
Fibonacci
924
934
Fizz Buzz
957
944
Foo Fizz Buzz Bar
879
919
Fractions
695
744
Happy Numbers
740
731
Happy Numbers (Long)
723
841
Intersection
691
771
ISBN
Kolakoski Sequence
489
576
Leap Years
956
865
Leyland Numbers
614
909
Look and Say
516
566
Niven Numbers
746
801
Niven Numbers (Long)
843
872
Odious Numbers
551
851
Odious Numbers (Long)
555
829
Ordinal Numbers
695
830
Pangram Grep
767
844
Pascal’s Triangle
631
907
Pernicious Numbers
406
711
Pernicious Numbers (Long)
483
764
Prime Numbers
744
676
Prime Numbers (Long)
758
725
Quine
673
Recamán
650
863
Reverse Polish Notation
669
716
Time Distance
800
735
Van Eck Sequence
√2