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 A005956 M2838 #18 Jul 08 2025 16:39:36 %S A005956 1,1,3,10,27,79,234,686,2036,6080,18224,54920,166245,505201,1541014, %T A005956 4716540,14480699,44586619,137648341,425992838,1321362034,4107332002, %U A005956 12792440104,39915889304,124762916912,390594099694,1224682772872,3845389399882 %N A005956 Number of acyclic tertiary alcohols with n carbon atoms. %D A005956 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A005956 R. C. Read, <a href="/A000598/a000598.pdf">The Enumeration of Acyclic Chemical Compounds</a>, pp. 25-61 of A. T. Balaban, ed., Chemical Applications of Graph Theory, Ac. Press, 1976. [Annotated scanned copy] See p. 44. %F A005956 G.f. (1/3)*x*((B(x)-1)^3 + 2*(B(x^3)-1)) where B(x) is the g.f. for A000625. - _Sean A. Irvine_, Nov 12 2016 %K A005956 nonn %O A005956 4,3 %A A005956 _N. J. A. Sloane_ %E A005956 More terms from _Sean A. Irvine_, Nov 12 2016