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

604, 9076, 9076, 120838, 411064, 120838, 1709528, 15724414, 15724414, 1709528, 23776684, 661471100, 1496150656, 661471100, 23776684, 333289866, 27487124788, 175175798418, 175175798418, 27487124788, 333289866, 4661112720

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