A205204 Number of (n+1)X7 0..2 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards

311076, 65935448, 9153899777, 1157042727456, 131318571494136, 13538086185801579, 1348681626232003407, 127615387132216248793, 11967356979561578243189, 1099475612928760385196268

Offset

1,1

Comments

Column 6 of A205206

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
..0..0..0..0..1..0..0....1..2..1..0..1..0..0....1..2..0..2..0..2..1
..1..0..2..0..1..0..0....0..0..0..0..1..0..2....0..2..2..0..2..2..1
..1..0..2..0..0..0..1....2..1..2..1..2..2..1....1..1..1..2..2..0..2
..2..0..0..0..2..2..1....2..1..2..1..2..0..2....0..2..2..0..2..2..2
..2..0..2..2..2..0..2....2..1..2..1..2..2..0....2..1..1..2..1..1..1

Crossrefs

Sequence in context: A206276 A251304 A127491 * A205062 A257015 A237566

Adjacent sequences: A205201 A205202 A205203 * A205205 A205206 A205207

Keyword

nonn

Author

R. H. Hardin Jan 23 2012

Status

approved