Abundant Numbers
724
Christmas Trees
534
Cubes
431
Diamonds
433
Divisors
442
800
795
790
513
416
932
552
598
613
350
603
975
Emirp Numbers
596
Evil Numbers
718
Fibonacci
597
833
688
Fizz Buzz
706
Happy Numbers
641
Leap Years
771
Niven Numbers
875
Odious Numbers
718
519
Pascal’s Triangle
650
Pernicious Numbers
444
Prime Numbers
591
Quine
526
493
266
969
Sierpiński Triangle
523