12 Days of Christmas
632
99 Bottles of Beer
757
Abundant Numbers
787
Abundant Numbers (Long)
878
Arabic to Roman
697
Arithmetic Numbers
907
Collatz
863
Divisors
1,000
Emirp Numbers
342
Fibonacci
842
Fizz Buzz
784898870
Leap Years
909
Leyland Numbers
832
Niven Numbers
746984
Pascal’s Triangle
621
Pernicious Numbers
655
Prime Numbers
938
Prime Numbers (Long)
1,000
Van Eck Sequence
573
π
526