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A236081 Number of (n+1)X(5+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise 1
167892, 40097396, 10003171144, 2353737191047, 558542932337300, 126138961904040570, 27744841719671138194, 5832339695757183406469, 1183186252204989571469409, 230924323943367731755228208 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A236082

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A262802 A247994 A235741 * A140941 A186550 A151618

Adjacent sequences:  A236078 A236079 A236080 * A236082 A236083 A236084

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 19 2014

STATUS

approved

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Last modified December 3 14:51 EST 2020. Contains 338906 sequences. (Running on oeis4.)