12 Days of Christmas
726
99 Bottles of Beer
469
Abundant Numbers
698
Arrows
349
Christmas Trees
439
Diamonds
327
Divisors
738
Emirp Numbers
542
Evil Numbers
786
Fibonacci
935
Fizz Buzz
633
Happy Numbers
419
Intersection
287
Leap Years
731
Leyland Numbers
645
Niven Numbers
593
Odious Numbers
784
Pangram Grep
825
Pascal’s Triangle
470
Pernicious Numbers
686
Prime Numbers
714
Seven Segment
365
Sierpiński Triangle
99
π
279
τ
270
φ
512
𝑒
500