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 A005630 M3399 #30 Apr 07 2025 11:58:12 %S A005630 0,0,0,0,0,0,4,10,34,96,284,782,2226,6208,17560,49618,141500,405104, %T A005630 1168316,3386538,9875232,28939944,85235762,252159572,749160544, %U A005630 2234378156,6688358338,20088296030,60524845158,182893018756 %N A005630 Number of chiral trees with n nodes. %D A005630 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A005630 L. Bytautats and D. J. Klein, <a href="https://doi.org/10.1021/ci990021g">Alkane Isomer Combinatorics: Stereostructure enumeration and graph-invariant and molecular-property distributions</a>, J. Chem. Inf. Comput. Sci 39 (1999) 803, Table 1. %H A005630 R. W. Robinson, F. Harary and A. T. Balaban, <a href="http://dx.doi.org/10.1016/0040-4020(76)80049-X">The numbers of chiral and achiral alkanes and monosubstituted alkanes</a>, Tetrahedron 32 (1976), 355-361. %H A005630 R. W. Robinson, F. Harary and A. T. Balaban, <a href="/A000625/a000625.pdf">Numbers of chiral and achiral alkanes and monosubstituted alkanes</a>, Tetrahedron 32 (3) (1976), 355-361. (Annotated scanned copy) %H A005630 <a href="/index/Tra#trees">Index entries for sequences related to trees</a> %F A005630 a(n) = A000628(n) - A005629(n). - _Emeric Deutsch_, Nov 21 2004 %K A005630 nonn %O A005630 1,7 %A A005630 _N. J. A. Sloane_ %E A005630 Corrected and extended by _Emeric Deutsch_, Nov 21 2004