12 Days of Christmas
169
99 Bottles of Beer
22
604
Abundant Numbers
537
Arabic to Roman
432
Christmas Trees
612
Collatz
615
Cubes
449
Diamonds
538
Divisors
698
Emirp Numbers
541
Fibonacci
449
Fizz Buzz
503
Foo Fizz Buzz Bar
608
Fractions
396
Happy Numbers
385
Happy Numbers (Long)
440
Kolakoski Sequence
626
Leap Years
693
Leyland Numbers
623
Look and Say
622
Ordinal Numbers
498
Pascal’s Triangle
481
Recamán
584