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A185855 Number of (n+1)X9 0..2 arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum 0
145808838, 475728999902, 1594644874059338, 5314583162402080764, 17779987852107633361760 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A185856

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

Some solutions for 3X9

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

..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..1..0..1

..0..1..1..0..1..0..0..1..0....0..1..1..0..1..1..1..1..1

CROSSREFS

Sequence in context: A224637 A224638 A224642 * A226970 A212470 A180345

Adjacent sequences:  A185852 A185853 A185854 * A185856 A185857 A185858

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 05 2011

STATUS

approved

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Last modified April 24 12:01 EDT 2019. Contains 322429 sequences. (Running on oeis4.)