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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. 1
1, 1, 9, 777, 18093088, 147696354159600, 120281515483611806096331, 6213452807971612556736028733196419, 19985669779698663662722527807833218991804567911, 4114852471732264714685900791520508800628430894815984377778000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..9.

CROSSREFS

Column k=9 of A242095.

Sequence in context: A246123 A246124 A223380 * A246126 A091057 A168257

Adjacent sequences:  A246122 A246123 A246124 * A246126 A246127 A246128

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Aug 15 2014

STATUS

approved

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Last modified January 24 04:35 EST 2020. Contains 331183 sequences. (Running on oeis4.)