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A068266 1/16 the number of colorings of an n X n square array with 16 colors. 1
1, 3165, 1982119455, 245622604880564955, 6022672393066051875922651155, 29220829891835424567142114269163936868895, 28052931461360411640129365206060753190589761972840149815, 5329007775881376959796836954274567596610268811025721999774999394622215355 (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: A031610 A252636 A324678 * A140350 A309024 A217247

Adjacent sequences:  A068263 A068264 A068265 * A068267 A068268 A068269

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 24 2002

EXTENSIONS

a(5)-a(8) from Alois P. Heinz, Apr 27 2012

STATUS

approved

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Last modified July 23 14:36 EDT 2019. Contains 325255 sequences. (Running on oeis4.)