12 Days of Christmas
815
99 Bottles of Beer
718
Abundant Numbers
785
Abundant Numbers (Long)
930
Arithmetic Numbers
889
Catalan Numbers
973
Christmas Trees
772
Collatz
706
582965806
Day of Week
896
Diamonds
626
Divisors
984
Emirp Numbers
611
Emirp Numbers (Long)
669
Evil Numbers
892
Evil Numbers (Long)
868
Fibonacci
722
960
694
Fizz Buzz
977
Foo Fizz Buzz Bar
986
Fractions
786
Gijswijt’s Sequence
513
Happy Numbers
809
Happy Numbers (Long)
768
Intersection
801
Inventory Sequence
868
ISBN
809
Kolakoski Sequence
836
Leap Years
902
674
Levenshtein Distance
502
Leyland Numbers
780
612
ln 2
778
Look and Say
518
Lucky Numbers
509
Lucky Tickets
602
Medal Tally
662716
Niven Numbers
941
Niven Numbers (Long)
905
Number Spiral
412
Odious Numbers
833
Odious Numbers (Long)
830
Ordinal Numbers
867
Pangram Grep
910
Pascal’s Triangle
786
Pernicious Numbers
832
Pernicious Numbers (Long)
856
Prime Numbers
801
Prime Numbers (Long)
702
Recamán
840
Reverse Polish Notation
1,000
Seven Segment
413
Smith Numbers
622
Sudoku (Fill-in)
572
Tongue-twisters
643
United States
162
Van Eck Sequence
740
Zodiac Signs
533
𝑒
661