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 A349865 #22 Apr 03 2023 15:42:36 %S A349865 25,26,34,38,39,46,49,51,57,58,62,68,69,74,75,76,82,85,86,87,92,93,94, %T A349865 95,102,106,111,114,115,116,118,119,121,122,123,124,125,129,133,134, %U A349865 138,141,142,143,145,146,147,148,152,155,158,159,161,164,166,169,171,172,174,177,178 %N A349865 Composite numbers that are missing from A349278. %C A349865 Since no prime >= 11 is a term in A349278, only composite numbers are listed here. %e A349865 There does not exist an integer d.u, where . stands for concatenation, such that 26 = u*(u+d), so 26 is a term. %e A349865 As 28 = A349278(34) = 4*(4+3), 28 is not a term. %Y A349865 Cf. A349278, A349864. %Y A349865 Equals disjoint union of A349733 and A350061. %K A349865 nonn,base %O A349865 1,1 %A A349865 _Bernard Schott_, Dec 03 2021 %E A349865 More terms from _Michel Marcus_, Dec 04 2021