99 Bottles of Beer
206
Abundant Numbers
666
Collatz
724
Cubes
32
Diamonds
96
Emirp Numbers
626
Evil Numbers
713
Fibonacci
754
601
Fizz Buzz
736474327271828819791
306
386
461
561939565682986782
717563641822826392889444862862575676
Foo Fizz Buzz Bar
441
Happy Numbers
394
ISBN
501
Kolakoski Constant
294
Leap Years
741
Leyland Numbers
67
Look and Say
727
Niven Numbers
622
Odious Numbers
737
Ordinal Numbers
727
Pangram Grep
832
Pernicious Numbers
708
Prime Numbers
594
Quine
63962
412233452418567
570514302828742542135870601879413417462599492605645626604
945164413854342677
185
Rijndael S-box
205
United States
103
448
λ
97
π
420
τ
257
φ
813
√2
807
𝑒
764