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 A340975 #10 Feb 07 2021 02:58:47 %S A340975 1,8,46,54,71,90,95,99,163,166,191,327,414,428,478,576,593,611,669, %T A340975 797,798,914,1027,1036,1098,1108,1239,1406,1486,2053,2110,2117,2152, %U A340975 2168,2301,2343,2548,2549,2765,3052,3341,3561,3900,3991,4374,4457,4997,5049,5909 %N A340975 Integers k such that A337157(k) != A177900(k). %Y A340975 Cf. A000203, A001065, A054024, A177900, A337157. %K A340975 nonn %O A340975 1,2 %A A340975 _Michel Marcus_, Feb 01 2021 %E A340975 More terms from _Jinyuan Wang_, Feb 07 2021