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A204966 Number of (n+2)X5 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally at least two different ways, and new values 0..1 introduced in row major order 1
6086, 107004, 1858301, 31837899, 547910909, 9424549410, 162106684241, 2788440262671, 47963836568225, 825026652543724, 14191301697133930, 244104810511870454, 4198851162609132514, 72224512960642806018 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A204971

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Sequence in context: A274360 A025515 A031576 * A252329 A156200 A236824

Adjacent sequences: A204963 A204964 A204965 * A204967 A204968 A204969

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 21 2012

STATUS

approved

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Last modified March 31 11:51 EDT 2023. Contains 361648 sequences. (Running on oeis4.)