12 Days of Christmas
811
99 Bottles of Beer
718
Abundant Numbers
785
Abundant Numbers (Long)
917
Arithmetic Numbers
856
Catalan Numbers
974
Christmas Trees
773
Collatz
708
583896808
Day of Week
898
Diamonds
626
Divisors
984
Emirp Numbers
602
Emirp Numbers (Long)
670
Evil Numbers
893
Evil Numbers (Long)
870
Fibonacci
722
960
700
Fizz Buzz
977
Foo Fizz Buzz Bar
986
Fractions
787
Gijswijt’s Sequence
515
Happy Numbers
810
Happy Numbers (Long)
768
Intersection
804
Inventory Sequence
870
ISBN
810
Kolakoski Sequence
837
Leap Years
902
677
Levenshtein Distance
503
Leyland Numbers
781
614
ln 2
780
Look and Say
518
Lucky Numbers
509
Lucky Tickets
604
Medal Tally
661718
Niven Numbers
942
Niven Numbers (Long)
906
Number Spiral
413
Odious Numbers
834
Odious Numbers (Long)
832
Ordinal Numbers
857
Pangram Grep
911
Pascal’s Triangle
786
Pernicious Numbers
833
Pernicious Numbers (Long)
858
Prime Numbers
801
Prime Numbers (Long)
703
Recamán
840
Reverse Polish Notation
1,000
Seven Segment
410
Smith Numbers
623
Sudoku (Fill-in)
573
Tongue-twisters
643
United States
156
Van Eck Sequence
742
Zodiac Signs
534
𝑒
662