12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Farey Sequence
Fibonacci
640
600
345
545
854
240
474
836
758
577
842
535
733
652
561
532
780
534
571
918
765
686
797
767
750
1,000
594
524
717
533
596
474
292
947
459
356
735
771
708
818
622
516
800
364
652
771
Fizz Buzz
412
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Happy Numbers
Happy Numbers (Long)
Intersection
Inventory Sequence
ISBN
Kolakoski Constant
Leap Years
ln 2
Look and Say
Lucky Numbers
Medal Tally
Niven Numbers
Niven Numbers (Long)
Odious Numbers
Odious Numbers (Long)
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
Prime Numbers (Long)
Quine
Rock-paper-scissors-Spock-lizard
Tongue-twisters
United States
γ
λ
π
τ
φ
√2
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