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A258686 Number of (n+3)X(2+3) 0..1 arrays with no 4x4 subblock diagonal sum less than the antidiagonal sum 1
386304, 5392960, 58713912, 479373352, 4020536064, 28017797984, 180889428840, 1121650360344, 6319289500688, 34444479406504, 179092290465784, 888630251710856, 4294129169205328, 20034775965684704, 91016922993551880 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A258689

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

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

CROSSREFS

Cf. A258689

Sequence in context: A206167 A206381 A234216 * A157739 A233491 A319505

Adjacent sequences:  A258683 A258684 A258685 * A258687 A258688 A258689

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 07 2015

STATUS

approved

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Last modified August 15 14:44 EDT 2022. Contains 356146 sequences. (Running on oeis4.)