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A184563 Number of (n+1)X9 0..2 arrays with no 2X2 subblock summing to less than 4 1
25680486, 102644935902, 307926979784837, 1027803541995894568, 3319239109051464012589, 10844219595929643673506107, 35294057223652471936332160677, 115019923806287297509943176811916 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A184564

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..50

EXAMPLE

Some solutions for 3X9

..0..0..0..0..0..0..2..2..2....0..0..0..0..0..0..2..0..2

..2..2..2..2..2..2..1..2..1....2..2..2..2..2..2..2..2..1

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

CROSSREFS

Sequence in context: A334373 A120702 A206317 * A231120 A340582 A234358

Adjacent sequences:  A184560 A184561 A184562 * A184564 A184565 A184566

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 17 2011

STATUS

approved

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Last modified May 21 03:31 EDT 2022. Contains 353887 sequences. (Running on oeis4.)