cp's OEIS Frontend

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.

A123141 Number of benzenoids with 23 hexagons, C_(2h) symmetry and containing 2n carbon atoms.

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%I A123141 #10 Nov 16 2023 18:15:49
%S A123141 6,45,145,510,1706,4697,12446,32297,73731,147440,274532,454304,594505,
%T A123141 514849,245895
%N A123141 Number of benzenoids with 23 hexagons, C_(2h) symmetry and containing 2n carbon atoms.
%H A123141 G. Brinkmann, G. Caporossi and P. Hansen, <a href="https://doi.org/10.1021/ci025526c">A Survey and New Results on Computer Enumeration of Polyhex and Fusene Hydrocarbons</a>, J. Chem. Inf. Comput. Sci., vol. 43 (2003) 842-851. See Table 6 column 6 on page 847.
%F A123141 Sum_n a(n) = 2357108 = A121210(23). - _Andrey Zabolotskiy_, Nov 15 2023
%Y A123141 Cf. A122539, A121964, A122736, A123044, A123106, A123105, A123104, A121210.
%K A123141 nonn,fini,full
%O A123141 33,1
%A A123141 _Parthasarathy Nambi_, Oct 01 2006
%E A123141 Name and offset edited by _Andrey Zabolotskiy_, Nov 15 2023