Abundant Numbers
545
Abundant Numbers (Long)
552
Arithmetic Numbers
469
Card Number Validation
569
Catalan Numbers
476
Collatz
608
Divisors
623
Evil Numbers (Long)
492
Factorial Factorisation
298
Farey Sequence
468
Fibonacci
549
Fizz Buzz
553
Gijswijt’s Sequence
453
Happy Numbers
350
Happy Numbers (Long)
495
Intersection
611
Inventory Sequence
442
ISBN
504
Jacobi Symbol
337
Kaprekar Numbers
546
Kolakoski Sequence
391
Leap Years
507
Leyland Numbers
283
N Queens
397
Niven Numbers
773
Niven Numbers (Long)
911
Odious Numbers
549
Ordinal Numbers
566
Pangram Grep
576
Pascal’s Triangle
291
Pernicious Numbers
348
Prime Numbers
549
Prime Numbers (Long)
654
Recamán
589
Reverse Polish Notation
361
Roman to Arabic
427
Rule 110
299
SI Units
449
√2
213