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A184230 Half the number of (n+1)X9 0..3 arrays with every 2X2 subblock diagonal sum differing from its antidiagonal sum by more than 3 1
78597, 20204829, 2366228756, 402560143085, 58125919236791, 9060575120369248, 1365148390837029545, 208931377551712553029, 31752580288265710345482, 4841142511484050619724845, 737035578935913022062779089 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A184231

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..180

EXAMPLE

Some solutions for 3X9

..0..2..0..2..0..2..0..1..0....0..2..0..2..0..3..0..1..0

..3..1..3..0..3..0..3..0..3....3..1..3..0..2..0..3..0..3

..0..2..0..1..0..2..0..3..1....0..2..0..3..0..3..0..3..0

CROSSREFS

Sequence in context: A076336 A244562 A123159 * A186612 A180973 A264950

Adjacent sequences:  A184227 A184228 A184229 * A184231 A184232 A184233

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 10 2011

STATUS

approved

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Last modified February 17 12:14 EST 2020. Contains 331996 sequences. (Running on oeis4.)