A187375 Half the number of (n+2)X5 0..3 arrays with each 3X3 subblock having sum 13 or 14

11193852, 468071656, 19778096074, 890680176554, 44626342857330, 2249136545376930, 115491075542848378, 6140557069347229726, 327266140289935063366, 17558955755265811509036

Offset

1,1

Comments

Column 3 of A187376

Links

Table of n, a(n) for n=1..10.

Example

Some solutions for 4X5
..0..3..0..3..3....0..1..2..3..0....0..1..2..3..1....0..1..2..2..0
..0..2..2..0..1....2..2..0..2..2....2..2..2..2..0....2..2..2..2..2
..2..2..2..0..2....2..2..2..0..3....2..0..2..0..1....2..0..2..0..2
..0..2..1..3..2....0..3..0..3..1....0..0..3..2..2....0..3..1..1..2

Crossrefs

Sequence in context: A270491 A331360 A232445 * A219749 A219750 A201253

Adjacent sequences: A187372 A187373 A187374 * A187376 A187377 A187378

Keyword

nonn

Author

R. H. Hardin Mar 09 2011

Status

approved