login
A068301
1/12 the number of colorings of an n X n octagonal array with 12 colors.
1
1, 990, 65675610, 292254818279490, 87238205544516133249890, 1746783780641161331912282302353810, 2346167125778415534349931707837063900925570370, 211381076411597878243848286563025939634200193105055412862370
OFFSET
1,2
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 24 2002
EXTENSIONS
a(5)-a(8) from Alois P. Heinz, May 04 2012
STATUS
approved