12 Days of Christmas
392
99 Bottles of Beer
415
Christmas Trees
466
Diamonds
401
Divisors
665
Emirp Numbers
425
Evil Numbers
473
Fibonacci
935
Fizz Buzz
891
Happy Numbers
349
Leap Years
642
Morse Decoder
326
Niven Numbers
708
Odious Numbers
576
Pangram Grep
683
Pascal’s Triangle
610
Pernicious Numbers
372
Prime Numbers
623
Quine
946
π
381
τ
376
φ
712
𝑒
699