A246115 Number of inequivalent n X n matrices with entries from [9], where equivalence means permutations of rows or columns.

1, 9, 1701, 10865205, 3223155968811, 49871029909245781491, 43460016875695276108491159279, 2254372634250117773973027448098778962279, 7252372830439610560387220475713321003653570924839924, 1493197587365241166689220567691206411606485768307602552950789523519

Offset

0,2

Links

Alois P. Heinz, Table of n, a(n) for n = 0..26

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

Crossrefs

Column k=9 of A246106.

Sequence in context: A047944 A322245 A251700 * A068182 A368368 A218415

Adjacent sequences: A246112 A246113 A246114 * A246116 A246117 A246118

Keyword

nonn

Author

Alois P. Heinz, Aug 14 2014

Status

approved