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A222650 Number of nX1 0..3 arrays with no more than floor(nX1/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..3 order 5
1, 1, 2, 11, 34, 131, 438, 2150, 7676, 32491, 116096, 533186, 1945184, 8362152, 30561808, 135650378, 501075616, 2155759835, 7986345032, 34780282521, 129686419290, 555913562689, 2079094345694, 8947148045345, 33609869742022 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Column 1 of A222654

LINKS

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

EXAMPLE

All solutions for n=3

..0....0

..1....1

..2....0

CROSSREFS

Sequence in context: A100109 A328152 A209033 * A026961 A026971 A323683

Adjacent sequences:  A222647 A222648 A222649 * A222651 A222652 A222653

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 27 2013

STATUS

approved

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Last modified August 4 08:20 EDT 2020. Contains 336201 sequences. (Running on oeis4.)