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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 1
4292, 47732, 496200, 5859504, 64285728, 759799284, 8442821772, 99513692668, 1113177722808, 13092724850804, 147182159518872, 1728448343828392, 19509469596898344, 228854323507171932, 2592132414691402368 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A233892
LINKS
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2013
STATUS
approved

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Last modified February 27 04:33 EST 2024. Contains 370362 sequences. (Running on oeis4.)