12 Days of Christmas
401
Abundant Numbers
706
Arrows
555
Christmas Trees
622
Collatz
753
Diamonds
466
Divisors
911
Emirp Numbers
460
Evil Numbers
769
Evil Numbers (Long)
752
Fibonacci
606932804
Fizz Buzz
847757
Foo Fizz Buzz Bar
637
Fractions
580
Intersection
576
ISBN
577
Leap Years
704
Look and Say
352
Niven Numbers
740
Niven Numbers (Long)
806
Number Spiral
382
Odious Numbers
781
Odious Numbers (Long)
763
Ordinal Numbers
674
Prime Numbers
577
Quine
945
π
756
τ
730
φ
840
√2
972
𝑒
970