A251494 Number of (n+1)X(3+1) 0..3 arrays with every 2X2 subblock summing to 4 5 6 7 or 8

27844, 3361296, 411510096, 50511532876, 6203258853660, 761894242946484, 93579182156013156, 11493861583850016184, 1411734955462282813836, 173396563123949710511328, 21297460801008604080730372

Offset

1,1

Comments

Column 3 of A251499

Links

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

R. H. Hardin, Empirical recurrence of order 52

Formula

Empirical recurrence of order 52 (see link above)

Example

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

Crossrefs

Sequence in context: A249000 A058419 A235208 * A327962 A046333 A202403

Adjacent sequences: A251491 A251492 A251493 * A251495 A251496 A251497

Keyword

nonn

Author

R. H. Hardin, Dec 03 2014

Status

approved