Abundant Numbers
528
Abundant Numbers (Long)
533
Arithmetic Numbers
456
Card Number Validation
516
Catalan Numbers
454
Collatz
575
Divisors
611
Evil Numbers (Long)
519
Factorial Factorisation
296
Farey Sequence
450
Fibonacci
529
Fizz Buzz
549
Gijswijt’s Sequence
422
Happy Numbers
464
Happy Numbers (Long)
475
Intersection
619
Inventory Sequence
413
ISBN
471
Jacobi Symbol
342
Kaprekar Numbers
535
Kolakoski Sequence
386
Leap Years
462
Leyland Numbers
281
N Queens
438
Niven Numbers
808
Niven Numbers (Long)
868
Odious Numbers
610
Ordinal Numbers
538
Pangram Grep
614
Pascal’s Triangle
290
Pernicious Numbers
350
Prime Numbers
555
Prime Numbers (Long)
613
Recamán
576
Reverse Polish Notation
378
Roman to Arabic
411
Rule 110
304
SI Units
473
√2
219