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 A324112 #9 Feb 16 2019 20:39:53 %S A324112 87,2091,16683,33215,267179,1066877,1319235,4228521,4330579,8668351, %T A324112 9769751,34662043,35924003,50892875,68239949,83920375,143201615, %U A324112 151730823,311513495,419564887,537386921,538253299,539511051,605140375 %N A324112 Odd numbers n for which A324108(n) = A324054(n-1), and which themselves are not powers of primes (in A000961). %C A324112 Odd terms > 1 in A324111. %e A324112 (Here f is A324054 and g is A324108). %e A324112 87 is a term, as 87 = 3 * 29, f(3-1) = 4, f(29-1) = 156, and g(87) = 4 * 156 = 624 = f(87-1). %e A324112 1066877 is a term, as 1066877 = 7^2 * 21773, f(49-1) = 133, f(21773-1) = 8035200, and g(1066877) = 133 * 8035200 = 1068681600 = f(1066877-1). %e A324112 537386921 is a term, as 537386921 = 2083 * 257987, f(2083-1) = 1440, f(257987-1) = 31554095246856, and g(537386921) = 1440 * 31554095246856 = 45437897155472640 = f(537386921-1). %Y A324112 Cf. A324111. %K A324112 nonn,more %O A324112 1,1 %A A324112 _Antti Karttunen_, Feb 16 2019