A251505 Number of (n+1)X(6+1) 0..3 arrays with every 2X2 subblock summing to 3 4 5 6 7 8 or 9

138426508, 1270162626436, 11635518782310748, 106642617845371027692, 977403456340809520106712, 8958155131152979319436818316, 82103804631580381524974704047000, 752502590962825725727396598604672812

Offset

1,1

Comments

Column 6 of A251507

Links

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

Example

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

Crossrefs

Sequence in context: A298729 A203505 A342214 * A034642 A109093 A217002

Adjacent sequences: A251502 A251503 A251504 * A251506 A251507 A251508

Keyword

nonn

Author

R. H. Hardin, Dec 03 2014

Status

approved