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 A067610 #5 Jan 01 2024 14:03:49
%S A067610 1,1,3,6,57,838,319924,35630889
%N A067610 Number of stereo alkanes not containing a certain forbidden substructure with combinatorial diameter n.
%H A067610 R. Davies and P. J. Freyd, <a href="https://doi.org/10.1021/ed066p278">C_{167}H_{336} is The Smallest Alkane with More Realizable Isomers than the Observable Universe has Particles</a>, Journal of Chemical Education, Vol. 66, April 1989, pp. 278-281.
%Y A067610 Cf. A000602, A000628, A067609, A067608.
%K A067610 nonn
%O A067610 1,3
%A A067610 Peter Freyd (pjf(AT)saul.cis.upenn.edu), Feb 02 2002
%E A067610 Edited by _Dean Hickerson_, Feb 11 2002