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 A276628 #18 Jul 09 2020 06:14:25 %S A276628 4,6,8,9,10,14,16,18,20,21,22,25,26,27,32,34,38,39,42,46,49,50,52,54, %T A276628 55,57,58,62,64,68,74,78,81,82,86,93,94,98,100,106,110,111,114,116, %U A276628 118,121,122,125,128,129,134,136,142,146,147,148,155,156,158,162,164,166,169 %N A276628 Composite m such that A276469(m,k) are not all 1's. %o A276628 (PARI) T(m, k) = polcyclo(m, k) % m; %o A276628 isok(m) = !isprime(m+(m<2)) && vector(m, k, T(m, k-1)) != vector(m, k, 1); \\ _Michel Marcus_, Sep 22 2016 and modified by _Jinyuan Wang_, Jul 09 2020 %Y A276628 Cf. A253235, A276469. %K A276628 nonn %O A276628 1,1 %A A276628 _Peter A. Lawrence_, Sep 07 2016 %E A276628 More terms from _Michel Marcus_, Sep 22 2016