%I #6 Mar 30 2012 18:39:00
%S 1,-3,8,44,192,-323,289,4641,10520,4400,-68280,484561,808201,488157,
%T -2948752,17408204,130987992,-65477123,11580409,658776561,9777980240,
%U 8114321600,-39315892560,138239377921,475273738801,1607488031517,-3426809717512,4583117135564
%N Determinant of n X n matrix of form [1 2 3 0 0 0 0 0 0 0 / 2 1 2 3 0 0 0 0 0 0 / 3 2 1 2 3 0 0 0 0 0 / 0 3 2 1 2 3 0 0 0 0 / 0 0 3 2 1 2 3 0 0 0 / 0 0 0 3 2 1 2 3 0 0 / 0 0 0 0 3 2 1 2 3 0 / 0 0 0 0 0 3 2 1 2 3 / 0 0 0 0 0 0 3 2 1 2 / 0 0 0 0 0 0 0 3 2 1].
%F G.f.: x(243x^4+54x^3+3x^2-x+1)/[(1-3x)(1+5x+16x^2+45x^3+81x^4)].
%K easy,sign
%O 1,2
%A _Benoit Cloitre_, Jun 20 2002
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