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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 1
4, 128, 19124, 10624396, 22494002188, 187243393024012, 6184286713271025676, 813778114811695225372684, 427490676925568251567286517772, 897390142311167244989919805371842572 (list; graph; refs; listen; history; text; internal format)
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

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Last modified April 22 14:59 EDT 2021. Contains 343177 sequences. (Running on oeis4.)