This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
a(1) = 4 because four is the first semiprime in alphabetical order. a(4) = 85 because eighty-five is the first 2-digit semiprime in alphabetical order.
a(1) = 8 because eight is the first 3-almost prime in alphabetical order. a(4) = 18 because eighteen is the first 2-digit 3-almost prime in alphabetical order.
a(1) = 88 because eighty-eight is the first 4-almost prime in alphabetical order, there being no 1-digit 4-almost primes. a(2) = 84 because eighty-four is the second 2-digit 4-almost prime in alphabetical order.
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