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A184094 Number of (n+1)X9 0..3 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one 0
55451, 254174, 22190358, 2367377082, 378836704735 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A184095

LINKS

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

EXAMPLE

Some solutions for 3X9

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

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

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

...

...3..4..4..4..4..4..5..6.......1..2..2..3..3..3..4..5...

...4..4..4..4..4..5..6..6.......2..2..3..4..3..3..4..5...

CROSSREFS

Sequence in context: A190384 A217692 A061740 * A116206 A251778 A203866

Adjacent sequences:  A184091 A184092 A184093 * A184095 A184096 A184097

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 09 2011

STATUS

approved

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Last modified September 22 07:34 EDT 2020. Contains 337289 sequences. (Running on oeis4.)