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A263217 Number of (n+1)X(n+1) 0..2 arrays with each row and column divisible by 5, read as a base-3 number with top and left being the most significant digits. 0
1, 14, 1009, 475539, 3126162435, 199878687706434, 113626071226676220337, 582273491524766112505402255 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Diagonal of A263224.

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Cf. A263224.

Sequence in context: A123178 A208318 A349737 * A208388 A227205 A297766

Adjacent sequences:  A263214 A263215 A263216 * A263218 A263219 A263220

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 12 2015

STATUS

approved

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Last modified August 10 20:21 EDT 2022. Contains 356039 sequences. (Running on oeis4.)