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 A056358 #13 Oct 24 2019 23:02:17 %S A056358 0,0,1,2,5,14,31,82,202,538,1401,3838,10395,28890,80207,225368,634265, %T A056358 1796648,5100325,14535298,41513434,118880650,341094843,980665898, %U A056358 2824223495,8146908210,23535345372,68084937912,197211483155,571915789978,1660402195255,4825554617686 %N A056358 Number of bracelet structures using exactly three different colored beads. %C A056358 Turning over will not create a new bracelet. Permuting the colors of the beads will not change the structure. %D A056358 M. R. Nester (1999). Mathematical investigations of some plant interaction designs. PhD Thesis. University of Queensland, Brisbane, Australia. [See A056391 for pdf file of Chap. 2] %H A056358 Andrew Howroyd, <a href="/A056358/b056358.txt">Table of n, a(n) for n = 1..200</a> %F A056358 a(n) = A056353(n) - A000011(n). %Y A056358 Column 3 of A152176. %Y A056358 Cf. A000011, A056296, A056353, A214307. %K A056358 nonn %O A056358 1,4 %A A056358 _Marks R. Nester_ %E A056358 Terms a(28) and beyond from _Andrew Howroyd_, Oct 24 2019