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A234835 Number of (n+2)X(2+2) 0..2 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 34 1
28716, 210824, 1558794, 12037784, 101023812, 861681106, 7462515426, 66915733840, 604301470364, 5467503801302, 50246026442224, 462669053904184, 4247539278821574, 39355607468916504, 364650464728173474 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A234838

LINKS

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

EXAMPLE

Some solutions for n=1

..1..2..2..1....1..2..2..1....0..2..1..0....2..1..2..2....0..0..1..0

..2..0..0..2....0..2..1..0....0..1..0..1....2..2..1..1....1..2..0..1

..2..1..2..1....2..0..1..2....0..2..0..0....0..2..0..0....1..0..2..0

CROSSREFS

Sequence in context: A172827 A145686 A224576 * A255659 A213460 A043660

Adjacent sequences:  A234832 A234833 A234834 * A234836 A234837 A234838

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 31 2013

STATUS

approved

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Last modified September 23 20:42 EDT 2021. Contains 347617 sequences. (Running on oeis4.)