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 A117677 #7 Nov 18 2019 17:12:49
%S A117677 0,1,1,3,1,7,1,5,3,7,1,13,1,7,7,7,1,13,1,13,7,7,1,19,3,7,5,13,1,25,1,
%T A117677 9,7,7,7,23,1,7,7,19,1,25,1,13,13,7,1,25,3,13,7,13,1,19,7,19,7,7,1,43,
%U A117677 1,7,13,11,7,25,1,13,7,25,1,33,1,7,13,13,7,25,1,25,7,7,1,43,7,7,7,19,1,43,7
%N A117677 a(n) = number of divisors of n^2 (excluding 1 and n^2).
%H A117677 Harvey P. Dale, <a href="/A117677/b117677.txt">Table of n, a(n) for n = 1..1000</a>
%F A117677 a(n) = A070824(n^2). - _Ray Chandler_, Nov 08 2018
%t A117677 Join[{0},DivisorSigma[0,Range[2,100]^2]-2] (* _Harvey P. Dale_, Oct 17 2016 *)
%Y A117677 Equals A048691(n) - 2 for n>1. Cf. A117679, A117010, A070824.
%K A117677 easy,nonn
%O A117677 1,4
%A A117677 Mark Taggart (mt2612f(AT)aol.com), Apr 12 2006