A226851 Number of n X 7 (0,1,2) arrays of permanents of 2 X 2 subblocks of some (n+1) X 8 binary array.

957, 435829, 67929575, 9461306257, 1426163794260, 221491127478033, 34196613228139182, 5251691844285685771, 806309158874436920955, 123879593437831099515396

Offset

1,1

Comments

Column 7 of A226852.

Links

Table of n, a(n) for n=1..10.

Example

Some solutions for n=3
..0..0..0..0..1..1..0....0..0..0..0..2..2..2....0..0..0..1..1..1..0
..0..0..0..1..0..0..1....0..0..0..1..2..2..2....0..0..0..2..2..2..1
..0..0..1..1..0..0..2....0..0..0..1..0..0..0....0..0..0..0..0..0..1

Crossrefs

Cf. A226852.

Sequence in context: A076528 A260067 A031903 * A351674 A158410 A108903

Adjacent sequences: A226848 A226849 A226850 * A226852 A226853 A226854

Keyword

nonn

Author

R. H. Hardin Jun 19 2013

Status

approved