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A236520 Number of (n+1)X(5+1) 0..1 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise 1
1392, 25023, 421516, 6591144, 99655626, 1448355717, 20627269098, 287546676233, 3961701125458, 53967671743495, 730462750680051, 9829887818910553, 131842908928542572, 1763320040951286382, 23544957470382711493 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A236523

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A249970 A069422 A202050 * A235657 A094666 A163043

Adjacent sequences:  A236517 A236518 A236519 * A236521 A236522 A236523

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 27 2014

STATUS

approved

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Last modified January 19 09:51 EST 2021. Contains 340269 sequences. (Running on oeis4.)