12 Days of Christmas
324
99 Bottles of Beer
269
Abundant Numbers
667
Arrows
319
Christmas Trees
380
Diamonds
271
Divisors
683
Emirp Numbers
437
Evil Numbers
784
Fibonacci
932
Fizz Buzz
577
Happy Numbers
323
Intersection
207
Leap Years
728
Leyland Numbers
545
Niven Numbers
588
Odious Numbers
781
Pangram Grep
695
Pascal’s Triangle
434
Pernicious Numbers
683
Prime Numbers
713
Seven Segment
262
Sierpiński Triangle
130
π
249
τ
240
φ
499
𝑒
485