12 Days of Christmas
370
99 Bottles of Beer
411
Abundant Numbers
750
Abundant Numbers (Long)
820
Arithmetic Numbers
732
Catalan Numbers
969
Christmas Trees
669
Collatz
702
573807800
Day of Week
721
Diamonds
519
Divisors
911
Emirp Numbers
494
Emirp Numbers (Long)
553
Evil Numbers
891
Evil Numbers (Long)
866
Fibonacci
701
958
697
Fizz Buzz
889
Foo Fizz Buzz Bar
781
Fractions
669
Gijswijt’s Sequence
418
Happy Numbers
794
Happy Numbers (Long)
648
Intersection
585
Inventory Sequence
815
ISBN
630
Kolakoski Sequence
819
Leap Years
899
587
Levenshtein Distance
390
Leyland Numbers
658
603
ln 2
759
Look and Say
418
Lucky Numbers
485
Lucky Tickets
454
Medal Tally
657532
Niven Numbers
933
Niven Numbers (Long)
895
Number Spiral
335
Odious Numbers
831
Odious Numbers (Long)
827
Ordinal Numbers
695
Pangram Grep
767
Pascal’s Triangle
726
Pernicious Numbers
828
Pernicious Numbers (Long)
832
Prime Numbers
800
Prime Numbers (Long)
701
Recamán
752
Reverse Polish Notation
1,000
Seven Segment
297
Smith Numbers
457
Sudoku (Fill-in)
372
Tongue-twisters
358
United States
115
Van Eck Sequence
699
Zodiac Signs
404
𝑒
656