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A235410 Number of (n+1)X(5+1) 0..1 arrays with 2X2 subblock sums lexicographically nondecreasing rowwise and nonincreasing columnwise 1
676, 7617, 98575, 1155953, 13930916, 145005714, 1561049902, 14369333157, 137304769214, 1126706100728, 9586583045675, 70788149107317, 541231346453933, 3632414579254729, 25238718044177536, 155443564236298963 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A235413

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..127

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A253323 A281405 A204036 * A239608 A238252 A264338

Adjacent sequences:  A235407 A235408 A235409 * A235411 A235412 A235413

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 10 2014

STATUS

approved

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Last modified August 20 20:50 EDT 2019. Contains 326155 sequences. (Running on oeis4.)