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A234113 Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 12 1
83012, 446590, 2579864, 20547980, 150134376, 1293718300, 10603143992, 97572997380, 892457433308, 8881590361884, 90024944561008, 965652228376156, 10592740576262476, 120178412755723492, 1386668576796168084 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A234114

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..55

EXAMPLE

Some solutions for n=1

..1..1..4..4..1..1..1..4....4..4..4..4..1..0..4..4....3..0..3..4..4..4..1..0

..4..0..1..1..4..0..4..1....4..0..4..0..1..4..4..0....3..0..3..0..4..0..1..4

CROSSREFS

Sequence in context: A237330 A217127 A205269 * A237097 A206323 A237535

Adjacent sequences:  A234110 A234111 A234112 * A234114 A234115 A234116

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 19 2013

STATUS

approved

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Last modified October 16 01:52 EDT 2021. Contains 348034 sequences. (Running on oeis4.)