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A186839 Number of (n+2)X10 binary arrays with 3X3 subblock sums nondecreasing rightwards and downwards. 0
24748736, 897952936, 32614678623, 1078797163411, 20663923742904 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A186840

LINKS

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

EXAMPLE

Some solutions for 4X10

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

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

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

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

CROSSREFS

Sequence in context: A083636 A124069 A257383 * A206084 A187439 A175580

Adjacent sequences:  A186836 A186837 A186838 * A186840 A186841 A186842

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 27 2011

STATUS

approved

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Last modified November 12 22:01 EST 2019. Contains 329079 sequences. (Running on oeis4.)