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 A256542 #6 Apr 03 2015 12:15:12 %S A256542 1,2,3,2,4,2,4,2,6,2,4,3,5,4,4,2,4,6,2,6,2,8,2,4,4,6,4,4,3,4,4,2,9,4, %T A256542 4,4,6,2,8,2,8,2,8,2,6,6,4,2,10,3,6,4,6,2,8,4,8,4,4,2,12,2,4,6,7,4,8, %U A256542 2,6,4,10,2,8,4,6,6,4,2,12,2,8,4,4,8,8 %N A256542 Number of divisors of A166133(n). %C A256542 a(n) = A000005(A166133(n)). %H A256542 Reinhard Zumkeller, <a href="/A256542/b256542.txt">Table of n, a(n) for n = 1..10000</a> %o A256542 (Haskell) %o A256542 a256542 = a000005 . a166133 %Y A256542 Cf. A166133, A032742, A244080. %K A256542 nonn %O A256542 1,2 %A A256542 _Reinhard Zumkeller_, Apr 03 2015