login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Number of n X n arrays of squares of integers with every (n-1) X (n-1) subblock summing to 6.
1

%I #8 Jun 14 2014 17:34:06

%S 32,2060,141880,4854272,73856992,668598540,4259570196,21065037760,

%T 86017825224,302312608028,941578159280,2655072415456,6888478511720,

%U 16650113930716,37865062169148,81663610397952,168110566286800

%N Number of n X n arrays of squares of integers with every (n-1) X (n-1) subblock summing to 6.

%H R. H. Hardin, <a href="/A159364/b159364.txt">Table of n, a(n) for n=3..27</a>

%K nonn

%O 3,1

%A _R. H. Hardin_, Apr 11 2009