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A266864 Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north or southwest neighbor modulo 5 and the upper left element equal to 0. 0
9, 1281, 328701, 104767812, 37478933496, 14445711101455, 5872334060687409, 2483169766664902279, 1082314714218076313666 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A266861.

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=2

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

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

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

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

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

CROSSREFS

Cf. A266861.

Sequence in context: A202981 A276823 A020261 * A076442 A076704 A117053

Adjacent sequences:  A266861 A266862 A266863 * A266865 A266866 A266867

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 04 2016

STATUS

approved

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Last modified October 26 11:29 EDT 2020. Contains 338027 sequences. (Running on oeis4.)