A246122 Number of inequivalent n X n matrices with entries from [6], where equivalence means permutations of rows or columns or the symbol set.

1, 1, 9, 749, 7103351, 2751303005866, 27652322898323351716, 7366869213307610923597063972, 54115411507106367816317351865506779820, 11308260954207756621186791090352318206730701142842, 68907599774696257326786747006406146821562575208152728866136232

Offset

0,3

Links

Table of n, a(n) for n=0..10.

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

Crossrefs

Column k=6 of A242095.

Sequence in context: A015481 A229930 A185274 * A145183 A124417 A265463

Adjacent sequences: A246119 A246120 A246121 * A246123 A246124 A246125

Keyword

nonn

Author

Alois P. Heinz, Aug 15 2014

Status

approved