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A233995 Number of (n+1)X(6+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 18 1
409848, 1058618, 2642176, 9191620, 29399672, 134489796, 533896296, 3264749708, 15542978456, 122745429104, 657831693460, 6124781861308, 34971315813420, 353881335179400, 2089489093085556, 21913872733573812, 132014144306494392 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A233997

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..21

EXAMPLE

Some solutions for n=1

..0..0..5..5..3..3..0....0..6..0..3..3..1..6....0..1..4..5..2..6..3

..3..5..2..0..0..6..3....5..5..5..0..6..6..3....1..6..1..0..5..1..6

CROSSREFS

Sequence in context: A220988 A295445 A183705 * A182116 A249405 A237676

Adjacent sequences:  A233992 A233993 A233994 * A233996 A233997 A233998

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 18 2013

STATUS

approved

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Last modified February 21 04:39 EST 2020. Contains 332086 sequences. (Running on oeis4.)