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A234343 T(n,k)=Number of (n+1)X(k+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 14 6
604, 9076, 9076, 120838, 411064, 120838, 1709528, 15724414, 15724414, 1709528, 23776684, 661471100, 1496150656, 661471100, 23776684, 333289866, 27487124788, 175175798418, 175175798418, 27487124788, 333289866, 4661112720 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

......604........9076.........120838...........1709528.............23776684

.....9076......411064.......15724414.........661471100..........27487124788

...120838....15724414.....1496150656......175175798418.......19543858001838

..1709528...661471100...175175798418....60505646102284....19887302525171296

.23776684.27487124788.19543858001838.19887302525171296.18579337567646047716

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..60

FORMULA

Empirical for column k:

k=1: [linear recurrence of order 13]

k=2: [order 77]

EXAMPLE

Some solutions for n=1 k=4

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

..4..7..0..7..6....7..2..7..2..0....1..7..7..7..4....7..7..7..7..0

CROSSREFS

Sequence in context: A020383 A234109 A321269 * A234338 A250969 A265244

Adjacent sequences:  A234340 A234341 A234342 * A234344 A234345 A234346

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Dec 23 2013

STATUS

approved

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Last modified November 28 16:34 EST 2021. Contains 349413 sequences. (Running on oeis4.)