12 Days of Christmas
103
Abundant Numbers
669
693
Abundant Numbers (Long)
719
Arabic to Roman
433
698
Arithmetic Numbers
776
Ascending Primes
401
Collatz
724
885
Cubes
337
Diamonds
257
Divisors
805
712
Emirp Numbers
462
706
Emirp Numbers (Long)
609
Evil Numbers
577
957
Evil Numbers (Long)
556
950
Factorial Factorisation
383
Farey Sequence
407
Fizz Buzz
693
529
619
Kolakoski Sequence
535
651
Leap Years
803
ln 2
139
141
241
N Queens
359
Niven Numbers
853
Niven Numbers (Long)
722
665
Odious Numbers
596
955
Odious Numbers (Long)
947
Prime Numbers
719
669
Prime Numbers (Long)
730
713
Van Eck Sequence
759
λ
232
548