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 A356311 #7 Nov 03 2022 10:08:39 %S A356311 0,2,3,4,5,7,10,11,12,13,16,17,18,19,22,23,24,28,29,30,31,32,34,37,40, %T A356311 41,42,43,47,53,54,56,58,59,60,61,66,67,70,71,72,73,78,79,80,82,83,84, %U A356311 89,90,96,97,101,103,104,105,107,108,109,113,114,118,120,124,127,130,131,132,136,137,138,139,140,142,144 %N A356311 Numbers k for which A003415(k) and A276086(k) are relatively prime, where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function. %H A356311 <a href="/index/Pri#primorialbase">Index entries for sequences related to primorial base</a> %o A356311 (PARI) isA356311(n) = A356310(n); \\ See code in A356310. %Y A356311 Positions of 1's in A327858. Positions of 0's in A356304 (for n >= 2) and in A356305. %Y A356311 Cf. A003415, A276086, A356310 (characteristic function), A356312 (complement). %Y A356311 Cf. also A324583. %K A356311 nonn %O A356311 1,2 %A A356311 _Antti Karttunen_, Nov 03 2022