12 Days of Christmas
383
99 Bottles of Beer
490
Abundant Numbers
970
Arabic to Roman
538
Christmas Trees
851
Diamonds
864
Divisors
958
Emirp Numbers
950
Evil Numbers
778
Fibonacci
941
Fizz Buzz
869
1,000
Happy Numbers
1,000
Leap Years
885
Leyland Numbers
887
Morse Decoder
554
Morse Encoder
581
Niven Numbers
1,000
Odious Numbers
778
Ordinal Numbers
917
Pangram Grep
966
Pascal’s Triangle
1,000
Pernicious Numbers
656
Prime Numbers
864
Quine
1,000
415
893
Roman to Arabic
Seven Segment
636
Sierpiński Triangle
878
Spelling Numbers
476
π
τ
φ
𝑒
784