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A254393 Number of (4+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
136868, 4766957, 175329586, 6208345944, 222379798148, 7980237415038, 285530733637470, 10224170138575374, 366155468467164564, 13110454447845138796, 469453431201506217004, 16810175913187595698224 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 4 of A254390

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

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

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

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

CROSSREFS

Sequence in context: A232143 A237470 A254386 * A253981 A191819 A015071

Adjacent sequences:  A254390 A254391 A254392 * A254394 A254395 A254396

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 29 2015

STATUS

approved

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Last modified October 3 04:46 EDT 2022. Contains 357230 sequences. (Running on oeis4.)