Abundant Numbers
552
Christmas Trees
534
Cubes
456
Diamonds
433
Divisors
442
800
795
790
500
416
932
522
598
581
288
562
975Emirp Numbers
473
Evil Numbers
704
Fibonacci
597
833
688Fizz Buzz
706
Happy Numbers
470
Leap Years
771
Niven Numbers
875
Odious Numbers
704
481
Pascal’s Triangle
650
Pernicious Numbers
435
Prime Numbers
580
Quine
500
493
266
969
Sierpiński Triangle
514