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A246125
Number of inequivalent n X n matrices with entries from [9], where equivalence means permutations of rows or columns or the symbol set.
2
1, 1, 9, 777, 18093088, 147696354159600, 120281515483611806096331, 6213452807971612556736028733196419, 19985669779698663662722527807833218991804567911, 4114852471732264714685900791520508800628430894815984377778000
OFFSET
0,3
CROSSREFS
Column k=9 of A242095.
Sequence in context: A246123 A246124 A223380 * A246126 A091057 A168257
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Aug 15 2014
STATUS
approved