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A246154
Number of inequivalent n X 9 binary matrices, where equivalence means permutations of rows or columns or the symbol set.
1
1, 5, 70, 1142, 32327, 1291582, 65131512, 3608247685, 201068340141, 10733521835504, 536688063735206, 24928346415088256, 1074344019881899521, 43049680020575937728, 1609339115058138292660, 56340829613924685604765, 1854088123360165773020846
OFFSET
0,2
CROSSREFS
Column k=9 of A242093.
Sequence in context: A064046 A256235 A142588 * A151471 A077691 A277301
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Aug 17 2014
STATUS
approved