A184492 Number of (n+1)X5 0..2 arrays with every 2X2 subblock sum greater than 4.

3971, 225739, 9573698, 460055427, 21093149945, 986037480116, 45743024168833, 2128664486092091, 98934614320637956, 4600534960538274519, 213884943642293497911, 9944608955435928047102, 462360626478829108846439

Offset

1,1

Comments

Column 4 of A184497

Links

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

Example

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

Crossrefs

Sequence in context: A031741 A204501 A204494 * A204493 A321053 A233648

Adjacent sequences: A184489 A184490 A184491 * A184493 A184494 A184495

Keyword

nonn

Author

R. H. Hardin, Jan 15 2011

Status

approved