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A246150 Number of inequivalent n X 5 binary matrices, where equivalence means permutations of rows or columns or the symbol set. 1
1, 3, 20, 95, 545, 2812, 14386, 68379, 307390, 1291582, 5106100, 19006858, 66942270, 223810001, 713195934, 2173442602, 6355468797, 17884351793, 48563133156, 127555643649, 324799429322, 803377153389, 1933758657660, 4537110254019, 10392125492520, 23268770873311 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..25.

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

CROSSREFS

Column k=5 of A242093.

Sequence in context: A015529 A278319 A305203 * A000948 A074831 A203357

Adjacent sequences:  A246147 A246148 A246149 * A246151 A246152 A246153

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Aug 17 2014

STATUS

approved

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Last modified May 20 04:59 EDT 2022. Contains 353851 sequences. (Running on oeis4.)