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A258608 Number of (n+2)X(4+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum 1
6056521, 16806958, 20602521, 26101881, 42003361, 87260319, 168065296, 336081087, 600593049, 1104953167, 1878008896, 3265742205, 5334257296, 8852106046, 13973131264, 22289465664, 34154366481, 52671100026, 78627524836 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A258612

LINKS

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

EXAMPLE

Some solutions for n=1

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

..1..0..0..2..2..1....1..1..1..2..1..0....0..1..2..1..0..2....0..1..1..0..2..1

..0..0..0..1..0..1....0..0..0..0..1..2....0..0..0..2..0..2....0..1..0..2..1..2

CROSSREFS

Cf. A258612

Sequence in context: A344278 A184385 A204497 * A237896 A254585 A254592

Adjacent sequences:  A258605 A258606 A258607 * A258609 A258610 A258611

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 05 2015

STATUS

approved

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Last modified January 18 03:02 EST 2022. Contains 350410 sequences. (Running on oeis4.)