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A237735 Number of (n+2) X (2+2) 0..1 arrays with the (lower) median of each row and column nondecreasing. 1
790, 13259, 105639, 1707200, 13980344, 219064013, 1853523145, 28043965682, 244945512750, 3576754641447, 32147201401103, 454105760467216, 4184801089025920, 57381572683004213, 540369123875778033 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A237738.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..33

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Cf. A237738.

Sequence in context: A207532 A167587 A182387 * A252517 A263010 A351670

Adjacent sequences:  A237732 A237733 A237734 * A237736 A237737 A237738

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 12 2014

STATUS

approved

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Last modified August 12 07:45 EDT 2022. Contains 356067 sequences. (Running on oeis4.)