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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

%I #4 Dec 23 2013 20:50:43

%S 604,9076,9076,120838,411064,120838,1709528,15724414,15724414,1709528,

%T 23776684,661471100,1496150656,661471100,23776684,333289866,

%U 27487124788,175175798418,175175798418,27487124788,333289866,4661112720

%N 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

%C Table starts

%C ......604........9076.........120838...........1709528.............23776684

%C .....9076......411064.......15724414.........661471100..........27487124788

%C ...120838....15724414.....1496150656......175175798418.......19543858001838

%C ..1709528...661471100...175175798418....60505646102284....19887302525171296

%C .23776684.27487124788.19543858001838.19887302525171296.18579337567646047716

%H R. H. Hardin, <a href="/A234343/b234343.txt">Table of n, a(n) for n = 1..60</a>

%F Empirical for column k:

%F k=1: [linear recurrence of order 13]

%F k=2: [order 77]

%e Some solutions for n=1 k=4

%e ..0..1..0..0..5....0..0..5..0..5....0..1..0..0..3....0..0..0..6..1

%e ..4..7..0..7..6....7..2..7..2..0....1..7..7..7..4....7..7..7..7..0

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_, Dec 23 2013

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)