99 Bottles of Beer
656
Abundant Numbers
734
Arabic to Roman
416
Christmas Trees
809
Diamonds
701
Divisors
900
Emirp Numbers
612
Evil Numbers
871
Fibonacci
932
Fizz Buzz
973
Happy Numbers
702
Leap Years
564
750
919
Look and Say
617
Niven Numbers
781
Odious Numbers
849
Ordinal Numbers
771
Pangram Grep
905
Pascal’s Triangle
905
Pernicious Numbers
721
Prime Numbers
653
Quine
846233
466
691
945825219
Recamán
721
Roman to Arabic
110
Seven Segment
509
Tongue-twisters
496
π
634
φ
724
√2
89
4160
417
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