Abundant Numbers
528
Abundant Numbers (Long)
533
Arithmetic Numbers
456
Card Number Validation
516
Catalan Numbers
454
Collatz
576
Divisors
611
Evil Numbers (Long)
520
Factorial Factorisation
296
Farey Sequence
451
Fibonacci
529
Fizz Buzz
549
Gijswijt’s Sequence
422
Happy Numbers
464
Happy Numbers (Long)
475
Intersection
619
Inventory Sequence
413
ISBN
472
Jacobi Symbol
342
Kaprekar Numbers
536
Kolakoski Sequence
386
Leap Years
503
Leyland Numbers
282
N Queens
439
Niven Numbers
808
Niven Numbers (Long)
868
Odious Numbers
610
Ordinal Numbers
538
Pangram Grep
614
Pascal’s Triangle
290
Pernicious Numbers
351
Prime Numbers
556
Prime Numbers (Long)
613
Recamán
577
Reverse Polish Notation
377
Roman to Arabic
411
Rule 110
304
SI Units
473
√2
219