A186214 Number of (n+1)X5 0..2 arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant

3593, 197619, 6275745, 255375977, 9406230423, 363322785761, 13767728347159, 526156623567189, 20038980564800735, 764392776658915834, 29139515896102512134, 1111151581724887298470, 42365735451420875473052

Offset

1,1

Comments

Column 4 of A186218

Links

R. H. Hardin, Table of n, a(n) for n = 1..77

Example

Some solutions for 3X5
..0..2..1..1..1....1..0..0..0..2....1..0..1..1..2....2..0..1..0..1
..0..0..0..0..0....0..0..0..2..2....0..0..0..0..0....0..0..0..0..0
..2..2..2..2..1....1..1..2..2..0....0..0..0..1..1....1..0..1..2..2

Crossrefs

Sequence in context: A183007 A251087 A187422 * A188100 A230023 A157857

Adjacent sequences: A186211 A186212 A186213 * A186215 A186216 A186217

Keyword

nonn

Author

R. H. Hardin Feb 15 2011

Status

approved