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, 9, 777, 18093088, 147696354159600, 120281515483611806096331, 6213452807971612556736028733196419, 19985669779698663662722527807833218991804567911, 4114852471732264714685900791520508800628430894815984377778000

Offset

0,3

Links

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

Index to number of inequivalent matrices modulo permutation of rows and columns

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