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A206395 Number of nX7 0..5 arrays with no element equal to another within a city block distance of two, and new values 0..5 introduced in row major order 0
51, 8404, 96632, 1343560, 18574298, 268956972, 3889732730, 56960076094, 835640037768, 12318524591500 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A206396

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=4

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

..2..3..4..5..3..4..5....2..3..5..0..1..2..4....2..3..4..1..5..3..4

..4..5..1..2..0..1..2....5..4..1..2..5..3..0....4..5..0..2..4..0..5

..0..2..3..4..5..3..4....0..2..3..4..0..1..5....0..1..3..5..1..2..3

CROSSREFS

Sequence in context: A232278 A208350 A232452 * A160475 A241332 A202886

Adjacent sequences:  A206392 A206393 A206394 * A206396 A206397 A206398

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 07 2012

STATUS

approved

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Last modified November 28 21:30 EST 2021. Contains 349415 sequences. (Running on oeis4.)