A186848 Number of (n+1)X8 binary arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum

16476, 347530, 8335676, 196096944, 4811564838, 119236307198, 2945465789710, 73006349720400, 1810883562189522, 44900591032425216, 1113562312210112192, 27618487499840800752, 684968531219954259680, 16988170804782597553742

Offset

1,1

Comments

Column 7 of A186850

Links

R. H. Hardin, Table of n, a(n) for n = 1..143

Example

Some solutions for 3X8
..1..0..1..0..0..1..0..1....1..0..0..0..0..0..0..0....0..0..0..1..1..1..0..0
..0..1..0..1..1..0..1..1....1..1..0..1..0..0..1..0....0..0..1..0..1..0..0..0
..0..0..0..0..1..0..0..0....0..0..0..1..1..0..1..1....0..1..0..0..0..0..0..1

Crossrefs

Sequence in context: A031829 A057680 A157796 * A211841 A234054 A234055

Adjacent sequences: A186845 A186846 A186847 * A186849 A186850 A186851

Keyword

nonn

Author

R. H. Hardin Feb 27 2011

Status

approved