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A235405 Number of (n+1)X(4+1) 0..2 arrays with 2X2 subblock sums lexicographically nondecreasing columnwise and rowwise 1
11100, 924132, 129700247, 12449201480, 1195654062204, 83013014302681, 5686146367749913, 305744449843735640, 16310949614471929061, 718975475223542160579, 31538321976539008993676, 1182029370366724720731365 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A235406

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..18

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A253371 A204226 A235440 * A158619 A094324 A032735

Adjacent sequences:  A235402 A235403 A235404 * A235406 A235407 A235408

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 10 2014

STATUS

approved

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Last modified August 22 20:23 EDT 2019. Contains 326182 sequences. (Running on oeis4.)