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 A354192 #14 May 20 2022 23:04:48 %S A354192 1,2,4,8,15,16,30,32,60,64,91,120,128,182,187,225,240,256,364,374,450, %T A354192 480,512,551,728,748,851,900,960,1024,1102,1271,1365,1456,1496,1702, %U A354192 1800,1920,2048,2204,2279,2542,2730,2805,2867,2912,2992,3375,3404,3600,3840,4096,4307,4408,4558,5084,5460,5610,5734,5824,5963 %N A354192 Fixed points of permutation A267099. %C A354192 If k is included, then also 2*k is present. All terms of A048630, i.e., semiprimes p*q where q = A267099(p) are present, as well as their powers, and any products of their combinations. %e A354192 As A267099(3) = 5 and A267099(5) = 3, 15 = 3*5 is present, as well as any 15^k and 2^k * 15, for k >= 0. %e A354192 As A267099(7) = 13 and A267099(13) = 7, 91 = 7*13 is present, and also 91*15 = 1365 is present. %o A354192 (PARI) isA354192(n) = A354193(n); %Y A354192 Subsequence of A072202 and of A354189. %Y A354192 Primitive elements are {2} U A048630. %Y A354192 Cf. A354193 (characteristic function), A000079 (subsequence), A267099. %K A354192 nonn %O A354192 1,2 %A A354192 _Antti Karttunen_, May 19 2022