A234419 Number of (n+1)X(6+1) 0..7 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1

401332, 59776664, 9162597900, 1437580782720, 227405955444726, 36116482489037416, 5747445821273175392, 915660517398276321084, 145984627270504705967938, 23286538277736196816868814

Offset

1,1

Comments

Column 6 of A234421

Links

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

Example

Some solutions for n=1
..0..0..1..2..1..1..1....4..4..4..3..2..3..2....4..4..5..4..4..3..3
..0..1..1..2..1..1..0....5..4..4..3..2..2..3....4..5..5..4..4..3..4

Crossrefs

Sequence in context: A209910 A190837 A205094 * A096890 A234056 A157826

Adjacent sequences: A234416 A234417 A234418 * A234420 A234421 A234422

Keyword

nonn

Author

R. H. Hardin, Dec 25 2013

Status

approved