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A235740 Number of (n+1)X(4+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise 1
26088, 2423417, 216691834, 17653658980, 1402427258099, 106304515215910, 7914658615624380, 575146083513956152, 41307358215548144931, 2929605081026887014590, 206340733128667590576464 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A235742

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..168

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A238043 A236599 A235195 * A236080 A115494 A236493

Adjacent sequences:  A235737 A235738 A235739 * A235741 A235742 A235743

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 15 2014

STATUS

approved

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Last modified March 23 16:52 EDT 2019. Contains 321432 sequences. (Running on oeis4.)