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 A158650 #9 May 26 2024 02:13:06
%S A158650 4,5,6,8,12,20,28,36
%N A158650 Indices of single-digit numbers in A061041.
%C A158650 The single-digit numbers are 0,9,5,3,1,3,3,5, to be compared with A158270.
%C A158650 From formula A061041(n) = (n^2-16) / gcd(n-4,16)^2, this list is complete. - _Franklin T. Adams-Watters_, Sep 25 2011.
%F A158650 {k: A061041(k)<10}.
%Y A158650 Cf. A061041.
%K A158650 nonn,less,fini,full,base
%O A158650 1,1
%A A158650 _Paul Curtz_, Mar 23 2009
%E A158650 Edited and extended by _R. J. Mathar_, Apr 04 2009