A251334 Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock summing to 2 4 or 6

297057, 17016861, 1196729319, 101704182219, 9919268234529, 1058556262797069, 119455642968747047, 13949234525976217235, 1663357602303254905433, 200912017723012996227481, 24460705247632859451004015

Offset

1,1

Comments

Column 7 of A251335

Links

R. H. Hardin, Table of n, a(n) for n = 1..93

Example

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

Crossrefs

Sequence in context: A204318 A204334 A048906 * A119740 A254193 A254186

Adjacent sequences: A251331 A251332 A251333 * A251335 A251336 A251337

Keyword

nonn

Author

R. H. Hardin, Dec 01 2014

Status

approved