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A254814 Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally and vertically 2
12730, 95110, 748444, 5525547, 37573674, 247721056, 1555784900, 9507310251, 56427672574, 327734201374, 1866901670840, 10464255213650, 57838849759168, 315906910077131, 1707701720462978, 9149366017437488, 48640167600953140 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A254819

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

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

CROSSREFS

Sequence in context: A252322 A254507 A254514 * A275158 A206979 A206973

Adjacent sequences: A254811 A254812 A254813 * A254815 A254816 A254817

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 08 2015

STATUS

approved

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Last modified March 31 17:33 EDT 2023. Contains 361668 sequences. (Running on oeis4.)