A185501 Number of (n+1)X5 0..2 arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum

1107, 30775, 511253, 10355969, 195165583, 3784477987, 72577946431, 1400254209765, 26934983956119, 519085872480091, 9991604236031191, 192473062350309415, 3705736421701914691, 71373052403445647521

Offset

1,1

Comments

Column 4 of A185504

Links

R. H. Hardin, Table of n, a(n) for n = 1..31

Example

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

Crossrefs

Sequence in context: A252552 A295991 A157376 * A322535 A184370 A172638

Adjacent sequences: A185498 A185499 A185500 * A185502 A185503 A185504

Keyword

nonn

Author

R. H. Hardin Jan 29 2011

Status

approved