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A068243 1/2 the number of colorings of a 7 X 7 square array with n colors. 2
1, 20934997854, 19278946338342653286, 112656664890078627543093640, 20043672552286729048799884311015, 361011452813936865714801000277216206, 1332266848133993021484807934080054103804, 1550797305138088176220498521209275420942656 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,2
LINKS
Alois P. Heinz, Table of n, a(n) for n = 2..1000
Alois P. Heinz, Formula for a(n)
CROSSREFS
Cf. A068239-A068305, A000332, A002417, A027441, A182368, A182406.
Sequence in context: A003803 A288081 A172794 * A034656 A233478 A216016
Adjacent sequences: A068240 A068241 A068242 * A068244 A068245 A068246
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 24 2002
EXTENSIONS
More terms from Alois P. Heinz, Apr 27 2012
STATUS
approved

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Last modified May 31 22:12 EDT 2024. Contains 373007 sequences. (Running on oeis4.)