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A235741 Number of (n+1)X(5+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise 1
167892, 36199157, 7433913626, 1402427258099, 257369376150524, 45081614802280999, 7733449708119520219, 1291234700949405911512, 212256857362792812709735, 34319052523965233251921090 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A235742

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A235436 A262802 A247994 * A236081 A140941 A186550

Adjacent sequences:  A235738 A235739 A235740 * A235742 A235743 A235744

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 15 2014

STATUS

approved

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Last modified November 27 21:32 EST 2020. Contains 338684 sequences. (Running on oeis4.)