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A246113
Number of inequivalent n X n matrices with entries from [7], where equivalence means permutations of rows or columns.
2
1, 7, 637, 1144836, 58002778967, 93242242505023122, 5116530046996205504668323, 10114980502439545115146468340980932, 750304814691805977574386038534306614497574954, 2154844572709712035236045223460733805672731741592666006584
OFFSET
0,2
CROSSREFS
Column k=7 of A246106.
Sequence in context: A182346 A333741 A175601 * A277839 A109542 A052132
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Aug 14 2014
STATUS
approved