12 Days of Christmas
697
99 Bottles of Beer
468
Abundant Numbers
694
Arrows
344
Christmas Trees
436
Diamonds
324
Divisors
722
Emirp Numbers
532
Evil Numbers
784
Fibonacci
932
Fizz Buzz
631
Happy Numbers
417
Intersection
286
Leap Years
729
Leyland Numbers
641
Niven Numbers
588
Odious Numbers
781
Pangram Grep
820
Pascal’s Triangle
469
Pernicious Numbers
683
Prime Numbers
713
Seven Segment
350
Sierpiński Triangle
98
π
278
τ
269
φ
509
𝑒
496