login
A234866
Number of (n+2)X(5+2) 0..3 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 52, and no adjacent elements equal
0
1791552, 7418922, 33431812, 161033032, 896839320, 5592546520, 34471724096, 229415016404, 1688920660940, 11846652009938
OFFSET
1,1
COMMENTS
Column 5 of A234867
EXAMPLE
Some solutions for n=1
..0..1..2..0..1..3..2....0..3..1..0..2..0..2....0..2..3..0..2..3..0
..2..3..0..3..0..1..3....2..0..3..1..0..3..0....2..3..0..1..3..0..2
..0..1..3..1..2..3..0....1..2..0..2..3..1..2....0..1..2..0..1..2..0
CROSSREFS
Sequence in context: A043650 A234082 A140861 * A249196 A137819 A145537
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2014
STATUS
approved