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 A288353 #10 Jun 11 2017 12:40:02 %S A288353 124,125,126,127,128,129,131,135,136,137,138,139,141,142,146,147,148, %T A288353 149,151,152,153,157,158,159,161,162,163,164,168,169,171,172,173,174, %U A288353 175,179,181,182,183,184,185,186,191,192,193,194,195,196,197,214,215,216,217,218,219,232 %N A288353 Strings of 3 digits from 1...9, such that no formula using the single digits in the given order exists that evaluates to 0. %C A288353 For definitions and comments see A288350. The b-file provides all A288351(3)=455 sequence terms. %H A288353 Hugo Pfoertner, <a href="/A288353/b288353.txt">Table of n, a(n) for n = 1..455</a> %Y A288353 Cf. A288350, A288351, A288354, A288355, A288356. %K A288353 nonn,base,fini,full %O A288353 1,1 %A A288353 _Hugo Pfoertner_, Jun 08 2017