12 Days of Christmas
879
Abundant Numbers
739
Arrows
518
Christmas Trees
718
Collatz
836
Diamonds
562
Divisors
984
Emirp Numbers
561
Evil Numbers
770
Evil Numbers (Long)
755
Fibonacci
608935807
Fizz Buzz
929761
Foo Fizz Buzz Bar
803
Fractions
681
Intersection
791
ISBN
742
Leap Years
707
Look and Say
436
Niven Numbers
747
Niven Numbers (Long)
815
Number Spiral
471
Odious Numbers
784
Odious Numbers (Long)
768
Ordinal Numbers
840
Prime Numbers
577
Quine
947
φ
728
√2
764
𝑒
758