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A068297 1/8 the number of colorings of an n X n octagonal array with 8 colors. 1
1, 210, 813750, 58494843750, 77998664766618750, 1929292299321647690193750, 885215793907124317300191394818750, 7534251364260636630211044759506294857668750 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A229671 A134236 A136350 * A196887 A028677 A114442
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 24 2002
EXTENSIONS
a(6)-a(8) from Alois P. Heinz, May 04 2012
STATUS
approved

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Last modified April 22 18:29 EDT 2024. Contains 371906 sequences. (Running on oeis4.)