12 Days of Christmas
693
99 Bottles of Beer
696
Abundant Numbers
629
Arabic to Roman
663
Christmas Trees
478
CSS Colors
208
Cubes
216
Diamonds
397
Divisors
690
831
Emirp Numbers
797
Evil Numbers
580
753
Fibonacci
840
Fizz Buzz
545
364
688
Happy Numbers
798
Leap Years
783
745
Leyland Numbers
122
Morse Decoder
340
Morse Encoder
292
Niven Numbers
633
Odious Numbers
573
725
Ordinal Numbers
234
Pangram Grep
366
Pascal’s Triangle
168
Pernicious Numbers
542
Prime Numbers
598
846
Quine
684
Rock-paper-scissors-Spock-lizard
760
Roman to Arabic
329
Rule 110
11
Seven Segment
393
Sierpiński Triangle
401
Tongue-twisters
753
United States
279
Vampire Numbers
316
λ
598
π
223
τ
224
φ
189
√2
228
𝑒
177