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A206358 Number of nX7 0..4 arrays with no element equal to another within two positions in the same row or column, and new values 0..4 introduced in row major order 0
41, 48680, 9669452, 1973960628, 401471308746, 81929751806834 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A206359

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A297052 A238566 A241327 * A222923 A262787 A176132

Adjacent sequences:  A206355 A206356 A206357 * A206359 A206360 A206361

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2012

STATUS

approved

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Last modified October 26 18:09 EDT 2020. Contains 338027 sequences. (Running on oeis4.)