A263436 Number of (n+1)X(3+1) 0..4 arrays with each row and column divisible by 13, read as a base-5 number with top and left being the most significant digits.

4, 180, 6945, 230997, 9407092, 408471412, 18332843169, 844323031241, 39665558454204, 1888798626758360, 90775024349800065, 4390183793153138337, 213231632730145779992, 10386491213317517353292, 506904866606507376596769

Offset

1,1

Comments

Column 3 of A263439.

Links

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

Example

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

Crossrefs

Cf. A263439.

Sequence in context: A082393 A176351 A330771 * A269195 A269102 A240282

Adjacent sequences: A263433 A263434 A263435 * A263437 A263438 A263439

Keyword

nonn

Author

R. H. Hardin, Oct 18 2015

Status

approved