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A258507 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
44548, 323360, 3024724, 27571468, 230967748, 1980067182, 17303680979, 150308716661, 1302151974414, 11302716596048, 98175421043593, 852441929749319, 7400841044415790, 64258793312296446, 557958995679505778 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A258511

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Cf. A258511

Sequence in context: A216203 A194355 A258514 * A254994 A295480 A206166

Adjacent sequences:  A258504 A258505 A258506 * A258508 A258509 A258510

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 01 2015

STATUS

approved

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Last modified June 23 08:30 EDT 2021. Contains 345395 sequences. (Running on oeis4.)