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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 1
854, 56558, 1009472, 25812774, 574149820, 13489115938, 310180543438, 7192778764436, 166258478732636, 3848046425438352, 89017376857316370, 2059684454098786874, 47652910375827853446, 1102538007301891708286 (list; graph; refs; listen; history; text; internal format)
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

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Last modified July 26 13:40 EDT 2021. Contains 346294 sequences. (Running on oeis4.)