A254237 - OEIS

A254237

Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally and vertically

10684, 38392, 195528, 970333, 3702284, 13376848, 46946080, 151691950, 473298612, 1441563263, 4285234118, 12549667259, 36365093642, 104261277810, 296592191300, 838536063660, 2358010298036, 6602060964243, 18419200796892, 51230079582293

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 3 of A254242

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Sequence in context: A212075 A257421 A257428 * A207282 A207478 A207534

Adjacent sequences: A254234 A254235 A254236 * A254238 A254239 A254240

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 27 2015

STATUS

approved