A263374 Number of (n+1)X(n+1) 0..4 arrays with each row and column divisible by 9, read as a base-5 number with top and left being the most significant digits.

2, 38, 34334, 787486033, 466607833464165, 6993415373354625825505

Offset

1,1

Comments

Diagonal of A263382.

Links

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

Example

Some solutions for n=3
..2..4..2..0....2..4..3..4....4..4..2..2....3..1..1..0....3..4..2..1
..0..1..2..1....0..4..3..2....0..1..4..0....3..1..1..0....1..4..1..4
..0..3..4..4....2..4..0..1....2..1..0..4....0..2..2..3....1..2..4..3
..2..0..4..0....1..1..0..3....3..1..1..0....0..2..2..3....0..2..2..3

Crossrefs

Cf. A263382.

Sequence in context: A334554 A348162 A132396 * A066244 A055689 A345316

Adjacent sequences: A263371 A263372 A263373 * A263375 A263376 A263377

Keyword

nonn

Author

R. H. Hardin, Oct 16 2015

Status

approved