12 Days of Christmas
865
Abundant Numbers
734
Arrows
512
Christmas Trees
713
Collatz
831
Diamonds
557
Divisors
979
Emirp Numbers
559
Evil Numbers
769
Evil Numbers (Long)
752
Fibonacci
606932804
Fizz Buzz
926757
Foo Fizz Buzz Bar
799
Fractions
681
Intersection
787
ISBN
737
Leap Years
704
Look and Say
434
Niven Numbers
740
Niven Numbers (Long)
806
Number Spiral
468
Odious Numbers
781
Odious Numbers (Long)
763
Ordinal Numbers
828
Prime Numbers
577
Quine
945
π
846
τ
817
φ
856
√2
972
𝑒
970