A229385 Number of n X n 0..3 arrays of the sum of the corresponding element, the element to the east and the element to the south in a larger (n+1)X(n+1) 0..1 array

4, 128, 19124, 10624396, 22494002188, 187243393024012, 6184286713271025676, 813778114811695225372684, 427490676925568251567286517772, 897390142311167244989919805371842572

Offset

1,1

Comments

Diagonal of A229392

Links

R. H. Hardin, Table of n, a(n) for n = 1..12

Example

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

Crossrefs

Sequence in context: A321233 A130318 A000318 * A141367 A141368 A146555

Adjacent sequences: A229382 A229383 A229384 * A229386 A229387 A229388

Keyword

nonn

Author

R. H. Hardin Sep 21 2013

Status

approved