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A068260 1/10 the number of colorings of an n X n square array with 10 colors. 1
1, 657, 28398249, 80756726956857, 15108689909693560486761, 185966989177024885647699790454745, 150593374425541553479383211835632929446205561, 8023000566482383689602595749344061213823653461060599304809 (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, A182368, A182406.

Sequence in context: A289290 A034818 A210091 * A252365 A198207 A171393

Adjacent sequences:  A068257 A068258 A068259 * A068261 A068262 A068263

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 24 2002

EXTENSIONS

a(6)-a(8) from Alois P. Heinz, Apr 27 2012

STATUS

approved

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Last modified April 8 03:43 EDT 2020. Contains 333312 sequences. (Running on oeis4.)