12 Days of Christmas
815
99 Bottles of Beer
718
Abundant Numbers
785
Abundant Numbers (Long)
931
Arithmetic Numbers
866
Catalan Numbers
973
Christmas Trees
772
Collatz
706
583966807
Day of Week
897
Diamonds
626
Divisors
984
Emirp Numbers
611
Emirp Numbers (Long)
669
Evil Numbers
893
Evil Numbers (Long)
869
Fibonacci
722
960
695
Fizz Buzz
977
Foo Fizz Buzz Bar
986
Fractions
786
Gijswijt’s Sequence
514
Happy Numbers
810
Happy Numbers (Long)
768
Intersection
802
Inventory Sequence
869
ISBN
810
Kolakoski Sequence
837
Leap Years
902
675
Levenshtein Distance
502
Leyland Numbers
780
613
ln 2
779
Look and Say
518
Lucky Numbers
509
Lucky Tickets
603
Medal Tally
661717
Niven Numbers
941
Niven Numbers (Long)
905
Number Spiral
412
Odious Numbers
834
Odious Numbers (Long)
831
Ordinal Numbers
867
Pangram Grep
910
Pascal’s Triangle
786
Pernicious Numbers
832
Pernicious Numbers (Long)
857
Prime Numbers
801
Prime Numbers (Long)
702
Recamán
840
Reverse Polish Notation
1,000
Seven Segment
414
Smith Numbers
623
Sudoku (Fill-in)
572
Tongue-twisters
643
United States
157
Van Eck Sequence
741
Zodiac Signs
534
𝑒
661