A251523 Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock summing to 2 3 4 5 6 7 8 9 or 10

3326498602, 173460282721706, 9027534432491502252, 469913480156252272754666, 24460221909493826465525198486, 1273219961286643613904413767833628, 66274496846481126674814895095131607258

Offset

1,1

Comments

Column 7 of A251524

Links

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

Example

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

Crossrefs

Sequence in context: A340133 A309003 A348811 * A155961 A282401 A063412

Adjacent sequences: A251520 A251521 A251522 * A251524 A251525 A251526

Keyword

nonn

Author

R. H. Hardin, Dec 03 2014

Status

approved