A068266 1/16 the number of colorings of an n X n square array with 16 colors.

1, 3165, 1982119455, 245622604880564955, 6022672393066051875922651155, 29220829891835424567142114269163936868895, 28052931461360411640129365206060753190589761972840149815, 5329007775881376959796836954274567596610268811025721999774999394622215355

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