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A246122 Number of inequivalent n X n matrices with entries from [6], where equivalence means permutations of rows or columns or the symbol set. 2
1, 1, 9, 749, 7103351, 2751303005866, 27652322898323351716, 7366869213307610923597063972, 54115411507106367816317351865506779820, 11308260954207756621186791090352318206730701142842, 68907599774696257326786747006406146821562575208152728866136232 (list; graph; refs; listen; history; text; internal format)
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

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Last modified July 4 10:11 EDT 2022. Contains 355075 sequences. (Running on oeis4.)