A263220 Number of (n+1)X(4+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.

7, 343, 12601, 475539, 22342751, 1094138875, 53375395657, 2607171566653, 127682197727311, 6256406902789159, 306545703110117209, 15020102223676251147, 735979598601461106119, 36062999023016301797227

Offset

1,1

Comments

Column 4 of A263224.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 89

Formula

Empirical recurrence of order 89 (see link above)

Example

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

Crossrefs

Cf. A263224.

Sequence in context: A200967 A068150 A195803 * A145252 A154024 A013712

Adjacent sequences: A263217 A263218 A263219 * A263221 A263222 A263223

Keyword

nonn

Author

R. H. Hardin, Oct 12 2015

Status

approved