A204722 Number of (n+1)X8 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards

9490, 502546, 19292513, 748847269, 26575441925, 924334074451, 31109609768113, 1032596649313763, 33808137876018312, 1098887626372500481, 35506743231698128908, 1143308561475017169435, 36719645002107592437613

Offset

1,1

Comments

Column 7 of A204723

Links

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

Example

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

Crossrefs

Sequence in context: A235515 A161726 A110076 * A204961 A237104 A156402

Adjacent sequences: A204719 A204720 A204721 * A204723 A204724 A204725

Keyword

nonn

Author

R. H. Hardin Jan 18 2012

Status

approved