Abundant Numbers
794
Abundant Numbers (Long)
834
Christmas Trees
701
Collatz
876
Divisors
786
Emirp Numbers
602
Evil Numbers
705
Evil Numbers (Long)
705
Fibonacci
852
Fizz Buzz
771
Foo Fizz Buzz Bar
890
Fractions
688
Happy Numbers
714
Happy Numbers (Long)
698
Leap Years
893
Look and Say
863
Niven Numbers
954
Niven Numbers (Long)
875
Odious Numbers
588
Ordinal Numbers
809
Pascal’s Triangle
554
Prime Numbers
613
Recamán
626