12 Days of Christmas
342
99 Bottles of Beer
404
Abundant Numbers
819
698
Christmas Trees
565
CSS Colors
114
Diamonds
395
Divisors
782
Emirp Numbers
470753
Evil Numbers
529
524836595
Fibonacci
393810
935833
Fizz Buzz
612
989
848
Happy Numbers
542
Intersection
339
Leap Years
726
757568
Leyland Numbers
553
775
Look and Say
633
Niven Numbers
786
708806
Odious Numbers
532784597
Ordinal Numbers
682
Pangram Grep
747
577800
Pascal’s Triangle
1,000
Pernicious Numbers
687499
Prime Numbers
6351,000761
623836
Quine
1,000968948
947
Recamán
665
Rock-paper-scissors-Spock-lizard
460
Roman to Arabic
423
Rule 110
297
Vampire Numbers
475
π
520
362
τ
643
353
φ
456
684
√2
821
705
𝑒
497
350