A187935 Number of (n+2)X6 binary arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum

784, 2532, 50802, 544222, 7443374, 94215422, 1239704056, 16028160870, 210014267842, 2739861389924, 35857760790384, 468652663199984, 6133270491995848, 80239304961916882, 1050112527501425944

Offset

1,1

Comments

Column 4 of A187940

Links

R. H. Hardin, Table of n, a(n) for n = 1..86

Example

Some solutions for 4X6
..0..0..1..0..1..1....0..1..0..0..1..0....0..0..1..0..1..1....1..0..1..0..1..1
..1..0..1..1..1..0....0..0..0..1..1..1....1..0..0..1..0..0....1..0..1..1..1..0
..0..0..0..0..1..1....1..0..1..1..0..1....0..0..1..0..1..1....1..0..1..0..1..1
..0..1..0..1..0..1....0..0..0..1..1..1....1..0..0..1..0..0....0..1..0..1..1..0

Crossrefs

Sequence in context: A095954 A351476 A257355 * A258539 A250809 A255145

Adjacent sequences: A187932 A187933 A187934 * A187936 A187937 A187938

Keyword

nonn

Author

R. H. Hardin Mar 16 2011

Status

approved