A251347 Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock summing to 3 4 or 5

11709, 663307, 39019417, 2324761359, 139048718681, 8328173688589, 499036482452523, 29907963638879071, 1792532136871875085, 107437636306908032001, 6439458920181575157103, 385961148453732028388159

Offset

1,1

Comments

Column 4 of A251351

Links

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

R. H. Hardin, Empirical recurrence of order 60

Formula

Empirical recurrence of order 60 (see link above)

Example

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

Crossrefs

Sequence in context: A250923 A015630 A237933 * A346276 A234863 A362200

Adjacent sequences: A251344 A251345 A251346 * A251348 A251349 A251350

Keyword

nonn

Author

R. H. Hardin, Dec 01 2014

Status

approved