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A235545 Number of (n+1)X(5+1) 0..1 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise 1
988, 17658, 429443, 9618173, 229990437, 4902247081, 99992110087, 1844719926176, 31896122665112, 509962551465235, 7677165540339722, 108748418549947621, 1463930492980910949, 18776966394074591213, 230866934864995304342 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A235548

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A258552 A258559 A235762 * A232429 A232844 A057668

Adjacent sequences:  A235542 A235543 A235544 * A235546 A235547 A235548

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 12 2014

STATUS

approved

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Last modified October 19 09:22 EDT 2021. Contains 348074 sequences. (Running on oeis4.)