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 A171959 #4 Apr 22 2013 17:12:19 %S A171959 0,4,64,73786976294838206464 %N A171959 a(1) = 0, for n >= 2; a(n) = the smallest number h such that tau(h) = A000005(h) = a(n-1) + 3. %C A171959 a(5) = 2^44210291368986342 * 3^1668 is too large to include. %F A171959 A000005(a(n)) = a(n-1) + 3 for n >= 2. %F A171959 For n>1, a(n) = A005179(a(n-1) + 3). %Y A171959 Cf. A014221, A173603, A173604, A173605, A173606, A173607, A173608, A173609, A173011. %K A171959 nonn %O A171959 1,2 %A A171959 _Jaroslav Krizek_, Nov 06 2010