A227024 Number of nX5 (0,1,2) arrays of permanents of 2X2 subblocks of some (n+1)X6 binary array with rows and columns of the latter in lexicographically nondecreasing order

25, 368, 4948, 65317, 786154, 8379285, 79224749, 668706345, 5081503151, 35102679286, 222533536879, 1305789511714, 7145426639248, 36700964912428, 177929765359899, 818153315837912, 3583007628524884, 14999102522624015

Offset

1,1

Comments

Column 5 of A227025

Links

R. H. Hardin, Table of n, a(n) for n = 1..29

Example

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

Crossrefs

Sequence in context: A045622 A130052 A059255 * A254376 A022749 A036071

Adjacent sequences: A227021 A227022 A227023 * A227025 A227026 A227027

Keyword

nonn

Author

R. H. Hardin Jun 27 2013

Status

approved