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A253815 Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally and vertically 1
12680, 60392, 214596, 554638, 1826190, 5735723, 19727216, 63219653, 215108264, 694075512, 2300636010, 7389478710, 24092560022, 77484299331, 251219943780, 810727615448, 2627331660592, 8506063476792, 27597699340414, 89556615821316 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A253820

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

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

CROSSREFS

Sequence in context: A159203 A254799 A254806 * A083602 A105655 A124411

Adjacent sequences: A253812 A253813 A253814 * A253816 A253817 A253818

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 14 2015

STATUS

approved

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Last modified November 29 18:13 EST 2022. Contains 358431 sequences. (Running on oeis4.)