A183378 Number of nX5 binary arrays with no element equal to the mod 3 sum of its king-move neighbors

4, 37, 143, 627, 2767, 11345, 51706, 223151, 974387, 4317835, 18935262, 83405497, 367312087, 1616039971, 7119896616, 31348982360, 138041608632, 607987526596, 2677387312069, 11791160763537, 51928980096226, 228692213910063

Offset

1,1

Comments

Column 5 of A183380

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

Some solutions for 7X5
..0..1..1..0..1....0..1..0..1..0....1..0..0..1..0....0..1..1..0..0
..1..0..1..1..1....1..0..1..1..0....0..0..0..0..0....0..0..1..1..1
..1..1..1..1..0....0..1..1..0..0....0..1..0..0..0....0..1..1..1..1
..0..1..0..1..1....1..1..1..0..0....0..1..1..1..0....0..0..1..1..1
..1..0..1..1..0....0..1..1..0..1....0..0..0..0..1....0..1..1..0..0
..1..0..1..1..0....1..1..0..1..1....0..0..0..1..1....1..0..0..0..0
..0..1..0..1..1....1..0..1..0..1....1..0..0..0..0....1..1..0..1..0

Crossrefs

Sequence in context: A031189 A045555 A297803 * A145401 A297745 A273684

Adjacent sequences: A183375 A183376 A183377 * A183379 A183380 A183381

Keyword

nonn

Author

R. H. Hardin Jan 04 2011

Status

approved