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 A338605 #13 Nov 08 2020 04:53:46 %S A338605 168,240,315,360,480,525,600,672,700,720 %N A338605 Resistance values R < 1 ohm, multiplied by their common denominator 840 (= A338600(5)), that can be obtained from a network of exactly 5 one-ohm resistors, but not from any network with fewer than 5 one-ohm resistors. %e A338605 The list of resistance values < 1 ohm is A338580(n)/A338595(n). a(n) = 840 * [1/5, 2/7, 3/8, 3/7, 4/7, 5/8, 5/7, 4/5, 5/6, 6/7]. %Y A338605 Cf. A051389, A338580, A338595, A338600. %K A338605 nonn,fini,full %O A338605 1,1 %A A338605 _Hugo Pfoertner_, Nov 03 2020