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A209502 Number of nX7 0..4 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..4 introduced in row major order 1
855, 1920126, 5801378991, 17538444837670, 53052739133301878, 160472621147386212721, 485400266057664024464791, 1468244769479038501500597043, 4441166748603271019044231589770 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A209503

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..124

EXAMPLE

Some solutions for n=4

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

..1..2..3..4..1..4..1....1..2..1..2..1..2..1....2..1..2..0..2..0..2

..4..1..2..4..3..3..3....0..0..2..3..1..3..1....3..1..3..3..0..1..0

..0..4..4..3..0..4..0....2..1..0..0..1..4..1....2..3..2..0..1..2..1

CROSSREFS

Sequence in context: A105275 A100969 A183998 * A198527 A234885 A251453

Adjacent sequences:  A209499 A209500 A209501 * A209503 A209504 A209505

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 09 2012

STATUS

approved

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Last modified August 11 03:41 EDT 2022. Contains 356046 sequences. (Running on oeis4.)