A233223 Number of 7Xn 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order

6896, 152986472, 4187991850726, 114934898294104873, 3154729081272072714436, 86591682356567376541898371, 2376789549887845473135654118063, 65238704957423784569815168199528386

Offset

1,1

Comments

Row 7 of A233217

Links

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

Example

Some solutions for n=2
..0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0
..0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0
..0..1....0..1....0..0....0..1....0..1....0..1....0..0....0..0....0..0....0..0
..0..4....0..4....1..1....0..2....1..0....1..0....1..0....1..2....1..1....1..5
..4..2....5..2....0..4....1..2....2..2....4..2....0..2....5..2....1..5....4..2
..2..5....5..2....5..5....1..5....5..4....1..0....2..4....4..5....5..1....4..4
..1..0....5..5....2..0....5..5....2..5....3..0....3..4....3..1....0..4....0..2

Crossrefs

Sequence in context: A233180 A233262 A233245 * A106768 A156419 A268908

Adjacent sequences: A233220 A233221 A233222 * A233224 A233225 A233226

Keyword

nonn

Author

R. H. Hardin, Dec 06 2013

Status

approved