A185639 Number of (n+1)X4 0..3 arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum

854, 56558, 1009472, 25812774, 574149820, 13489115938, 310180543438, 7192778764436, 166258478732636, 3848046425438352, 89017376857316370, 2059684454098786874, 47652910375827853446, 1102538007301891708286

Offset

1,1

Comments

Column 3 of A185640

Links

R. H. Hardin, Table of n, a(n) for n = 1..39

Example

Some solutions for 3X4
..2..1..0..3....1..1..3..2....0..0..0..3....1..2..0..3....3..0..0..3
..1..0..0..1....2..1..2..2....0..1..2..2....0..2..1..2....3..2..1..3
..3..2..3..2....2..1..2..3....1..2..3..0....1..3..2..1....1..2..0..1

Crossrefs

Sequence in context: A248856 A251050 A085323 * A105275 A100969 A183998

Adjacent sequences: A185636 A185637 A185638 * A185640 A185641 A185642

Keyword

nonn

Author

R. H. Hardin Feb 01 2011

Status

approved