A246150 Number of inequivalent n X 5 binary matrices, where equivalence means permutations of rows or columns or the symbol set.

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

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