12 Days of Christmas
407
Abundant Numbers
708
Arrows
555
Christmas Trees
625
Collatz
755
Diamonds
469
Divisors
933
Emirp Numbers
462
Evil Numbers
770
Evil Numbers (Long)
754
Fibonacci
607935806
Fizz Buzz
848759
Foo Fizz Buzz Bar
638
Fractions
579
Intersection
580
ISBN
579
Leap Years
706
Look and Say
355
Niven Numbers
744
Niven Numbers (Long)
813
Number Spiral
383
Odious Numbers
784
Odious Numbers (Long)
767
Ordinal Numbers
684
Prime Numbers
577
Quine
946
φ
712
√2
760
𝑒
755