12 Days of Christmas
374
99 Bottles of Beer
421
Abundant Numbers
659
Abundant Numbers (Long)
630
Arithmetic Numbers
520
Ascending Primes
308
ASCII Table
460
Christmas Trees
454
Collatz
575
Divisors
709
Emirp Numbers
409
Evil Numbers
677
Fibonacci
546
Fizz Buzz
487
Intersection
444
Leap Years
588
Leyland Numbers
622
Lucky Tickets
371
Morse Encoder
184
Niven Numbers
608
Odious Numbers
712
Pangram Grep
507
Pascal’s Triangle
431
Pernicious Numbers
630
Prime Numbers
585
Recamán
625
Rock-paper-scissors-Spock-lizard
352
Rule 110
359
United States
281
Van Eck Sequence
581
π
473
τ
470
√2
693
𝑒
585