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A068303 1/14 the number of colorings of an n X n octagonal array with 14 colors. 1
1, 1716, 303771468, 5550709388138772, 10469390085669243613847820, 2038288377309848857407579410051499636, 40962006853292026329447493002836988654168890167788, 84970500229420999013828420742335437041383054287385138553076248252 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..8.

CROSSREFS

Cf. A068239-A068305, A000332, A002417, A027441, A212208, A212209.

Sequence in context: A208620 A294854 A025039 * A212929 A252610 A237932

Adjacent sequences: A068300 A068301 A068302 * A068304 A068305 A068306

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 24 2002

EXTENSIONS

a(5)-a(8) from Alois P. Heinz, May 04 2012

STATUS

approved

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Last modified March 22 16:15 EDT 2023. Contains 361432 sequences. (Running on oeis4.)