A233888 Number of (n+1)X(4+1) 0..6 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 30, and no two adjacent values equal

4292, 47732, 496200, 5859504, 64285728, 759799284, 8442821772, 99513692668, 1113177722808, 13092724850804, 147182159518872, 1728448343828392, 19509469596898344, 228854323507171932, 2592132414691402368

Offset

1,1

Comments

Column 4 of A233892

Links

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

Example

Some solutions for n=2
..5..1..2..1..2....0..3..0..3..0....0..3..1..4..1....6..2..6..2..3
..6..3..6..3..6....4..5..1..5..1....4..2..5..3..5....3..1..4..5..1
..2..4..2..1..5....0..3..0..2..3....3..6..4..0..1....2..5..6..2..3

Crossrefs

Sequence in context: A239255 A252555 A359304 * A204408 A204401 A204400

Adjacent sequences: A233885 A233886 A233887 * A233889 A233890 A233891

Keyword

nonn

Author

R. H. Hardin, Dec 17 2013

Status

approved