12 Days of Christmas
731
99 Bottles of Beer
472
Abundant Numbers
708
Arrows
359
Christmas Trees
446
Diamonds
333
Divisors
750
Emirp Numbers
553
Evil Numbers
800
Fibonacci
947
Fizz Buzz
637
Happy Numbers
428
Intersection
298
Leap Years
741
Leyland Numbers
664
Niven Numbers
603
Odious Numbers
800
Pangram Grep
847
Pascal’s Triangle
482
Pernicious Numbers
702
Prime Numbers
727
Seven Segment
374
Sierpiński Triangle
104
π
285
τ
278
φ
525
𝑒
511