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 A344126 #16 Feb 24 2022 22:57:57 %S A344126 1,6,24,48,86,138,192,260,348,432,530,654,768,896,1056,1200,1358,1554, %T A344126 1728,1916,2148,2352,2570,2838,3072,3320,3624,3888,4166,4506,4800, %U A344126 5108,5484,5808,6146,6558,6912,7280,7728,8112,8510,8994,9408,9836,10356,10800 %N A344126 Coordination sequence for the hypertriangular lattice. %H A344126 Reticular Chemistry Structure Resource (RCSR), <a href="http://rcsr.net/nets/lcy">The lcy net</a> %H A344126 <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,2,-2,0,-1,1). %F A344126 G.f.: (1+5*x+18*x^2+22*x^3+28*x^4+16*x^5+7*x^6-3*x^7+2*x^8) / ((x^2+x+1)^2 * (1-x)^3). %Y A344126 Cf. A046945, A344039, A344070, A005901, A038620. %K A344126 nonn,easy %O A344126 0,2 %A A344126 _Sean A. Irvine_, May 09 2021