

A123284


Number of polyhexes with 24 hexagons, C_(2v) symmetry and containing n carbon atoms.


14



2, 34, 37, 173, 155, 657, 482, 2206, 1334, 6510, 3315, 18208, 7804, 47329, 16914, 114779, 33879, 258280, 60786, 532865, 98070, 987689, 137195, 1641862, 166882, 2358366, 146898, 2723100, 77267, 2164650, 0, 966300
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OFFSET

67,1


COMMENTS

a(98) = 966300 is the last nonzero term. Sum(a(n)) = 12574028 = A120991(24).  Markus Voege, Jan 23 2014


LINKS



EXAMPLE

If n=67 then the number of polyhexes with 24 hexagons with C_(2v) symmetry is 2.
If n=68 then the number of polyhexes with 24 hexagons with C_(2v) symmetry is 34.
If n=69 then the number of polyhexes with 24 hexagons with C_(2v) symmetry is 37.
If n=70 then the number of polyhexes with 24 hexagons with C_(2v) symmetry is 173.


CROSSREFS



KEYWORD

nonn,fini


AUTHOR



EXTENSIONS

Series corrected a(97)=0 and a(98)=966300; keyword 'fini' by Markus Voege, Jan 23 2014


STATUS

approved



