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 A056359 #14 Oct 24 2019 23:02:25 %S A056359 0,0,0,1,2,11,33,137,478,1851,6845,26148,98406,374010,1416251,5380907, %T A056359 20440250,77795428,296384565,1131011633,4321964768,16541275068, %U A056359 63400061153,243358803904,935431121462,3600520831215,13876485252323,53546253055179,206864927506166,800068244639812 %N A056359 Number of bracelet structures using exactly four different colored beads. %C A056359 Turning over will not create a new bracelet. Permuting the colors of the beads will not change the structure. %D A056359 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 A056359 Andrew Howroyd, <a href="/A056359/b056359.txt">Table of n, a(n) for n = 1..200</a> %F A056359 a(n) = A056354(n) - A056353(n). %Y A056359 Column 4 of A152176. %Y A056359 Cf. A056297, A056353, A056354, A214309. %K A056359 nonn %O A056359 1,5 %A A056359 _Marks R. Nester_ %E A056359 Terms a(27) and beyond from _Andrew Howroyd_, Oct 24 2019