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 A245737 #5 Jul 31 2014 05:33:41 %S A245737 8,0,7,6,6,4,8,6,8,0,4,8,6,2,6,2,8,5,2,3,4,0,9,1,2,7,6,8,0,9,5,1,5,9, %T A245737 8,5,1,8,0,6,0,4,6,0,1,9,5,1,4,6,7,5,4,0,3,2,7,1,7,1,1,7,5,9,0,2,5,3, %U A245737 7,7,8,2,0,1,8,1,7,4,6,0,5,2,0,9,4,6,9,0,2,2,7,2,3,4,2,8,4,8,0,1,8,3,7 %N A245737 Decimal expansion of z_hc, the bulk limit of the number of spanning trees on a honeycomb lattice. %H A245737 Robert Shrock and F. Y. Wu, <a href="http://arxiv.org/abs/cond-mat/0004341">Spanning Trees on Graphs and Lattices in d Dimensions</a> p. 7. %F A245737 (1/2)*(log(2) + log(3) + H), where H is the auxiliary constant A242967. %e A245737 0.8076648680486262852340912768095159851806046019514675403271711759... %t A245737 H = Sqrt[3]/(6*Pi)*PolyGamma[1, 1/6] - Pi/Sqrt[3] - Log[6]; RealDigits[(1/2)*(Log[2] + Log[3] + H), 10, 103] // First %Y A245737 Cf. A218387(z_sq), A242967(H), A245725(z_tri). %K A245737 nonn,cons,easy %O A245737 0,1 %A A245737 _Jean-François Alcover_, Jul 31 2014