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.
%I A109988 #3 Mar 30 2012 18:40:29 %S A109988 8,18,50,52,45,44,42,98,99,92,70,78,75,76 %N A109988 3-almost primes (A014612) ordered alphabetically by where they occur in A000052. %C A109988 A109986 is primes ordered alphabetically by where they occur in A000052. A109987 is semiprimes ordered alphabetically by where they occur in A000052. A109989 is 4-almost primes ordered alphabetically by where they occur in A000052. %e A109988 a(1) = 8 because eight is the first 3-almost prime in alphabetical order. %e A109988 a(4) = 18 because eighteen is the first 2-digit 3-almost prime in alphabetical order. %Y A109988 Cf. A000052, A014612, A109986, A109987. %K A109988 base,easy,nonn,word %O A109988 1,1 %A A109988 _Jonathan Vos Post_, Jul 07 2005