12 Days of Christmas
52
99 Bottles of Beer
539
Abundant Numbers
699
Arabic to Roman
491
Arrows
584
ASCII Table
702
Christmas Trees
618
Collatz
778
CSS Colors
136
Cubes
551
Diamonds
489
Divisors
799
Emirp Numbers
518
Emojify
349
Evil Numbers
711
Fibonacci
891
Fizz Buzz
938
Foo Fizz Buzz Bar
863
Fractions
724
Happy Numbers
606
Hexdump
661
Intersection
603
ISBN
737
Leap Years
853
Leyland Numbers
367
Niven Numbers
846
Odious Numbers
702
Ordinal Numbers
657
Pangram Grep
439
Pascal’s Triangle
728
Pernicious Numbers
741
Prime Numbers
816
Quine
479
Recamán
836
Reverse Polish Notation
376
Roman to Arabic
550
Seven Segment
557
Sierpiński Triangle
580
Spelling Numbers
425
Star Wars Opening Crawl
612
Time Distance
507
Tongue-twisters
430
λ
291
π
148
τ
146
φ
149
√2
144
𝑒
119