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A235770 Number of (n+1)X(5+1) 0..1 arrays with the sum of each 2X2 subblock two extreme terms minus its two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise 1
660, 5643, 47501, 377890, 2931878, 21858973, 157282139, 1084189363, 7146773223, 45042182253, 271113821758, 1563455298942, 8638261431109, 45901448960399, 234728708263457, 1159091427872949, 5532056848492928, 25589861774420059 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A235772

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..153

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A143042 A206642 A064261 * A204538 A204534 A235553

Adjacent sequences:  A235767 A235768 A235769 * A235771 A235772 A235773

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 15 2014

STATUS

approved

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Last modified January 24 13:09 EST 2022. Contains 350538 sequences. (Running on oeis4.)