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A199130 Number of nX5 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor 1
6, 30, 70, 1409, 11475, 33970, 887966, 8181546, 26354800, 739462036, 7166709232, 23742940530, 690068431668, 6837489856538, 23031293598718, 682253330136338, 6857414650447522, 23326710623207736, 700022706564351432 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A199133

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..48

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

CROSSREFS

Sequence in context: A056836 A277521 A163640 * A152743 A215906 A305163

Adjacent sequences:  A199127 A199128 A199129 * A199131 A199132 A199133

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 03 2011

STATUS

approved

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Last modified January 23 16:48 EST 2020. Contains 331173 sequences. (Running on oeis4.)