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A068262 1/12 the number of colorings of an n X n square array with 12 colors. 1
1, 1221, 151807051, 1921891513498671, 2477572888040351900883711, 325225549604893753518411953062063971, 4347138911747232969546330930965884363451764385131, 5916747359191672857470732990313720758880725307188900212460107911 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A179140 A091790 A053655 * A328991 A223118 A128655
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 March 1 17:48 EST 2024. Contains 370442 sequences. (Running on oeis4.)