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 A326672 #16 Apr 20 2023 04:22:10 %S A326672 1,2,4,8,9,13,16,18,26,32,36,52,64,72,104,128,144,208,256,257,288,321, %T A326672 416,512,514,576,642,832,1024,1028,1152,1284,1664,2048,2056,2304,2568, %U A326672 3328,4096,4112,4608,5136,6656,8192,8224,9216,10272,13312,16384,16448 %N A326672 The positions of ones in the binary expansion of n have integer geometric mean. %H A326672 Amiram Eldar, <a href="/A326672/b326672.txt">Table of n, a(n) for n = 1..500</a> %H A326672 Wikipedia, <a href="https://en.wikipedia.org/wiki/Geometric_mean">Geometric mean</a>. %t A326672 Select[Range[100],IntegerQ[GeometricMean[Join@@Position[IntegerDigits[#,2],1]]]&] %Y A326672 Partitions with integer geometric mean are A067539. %Y A326672 Subsets with integer geometric mean are A326027. %Y A326672 Factorizations with integer geometric mean are A326028. %Y A326672 Numbers whose binary expansion positions have integer mean are A326669. %Y A326672 Numbers whose binary expansion positions are relatively prime are A326674. %Y A326672 Numbers whose reversed binary expansion positions have integer geometric mean are A326673. %Y A326672 Cf. A000120, A051293, A070939, A291166, A326625. %K A326672 nonn,base %O A326672 1,2 %A A326672 _Gus Wiseman_, Jul 17 2019