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Triangle read by rows: k X k determinants at the n-th row of A126988 without the first column of ones.
1

%I #7 Aug 26 2017 20:33:52

%S 1,2,1,3,-3,1,4,6,0,1,5,-10,-10,-5,1,6,15,-20,15,-6,1,7,-21,0,0,-21,

%T -7,1,8,28,56,0,0,0,0,1,9,-36,84,126,126,0,0,0,1,10,45,0,-210,252,

%U -210,0,0,-10,1,11,-55,-165,330,0,0,330,165,-55,-11,1,12,66,-220,-495,0,0,792

%N Triangle read by rows: k X k determinants at the n-th row of A126988 without the first column of ones.

%e Table begins:

%e 1;

%e 2, 1;

%e 3, -3, 1;

%e 4, 6, 0, 1;

%e 5, -10, -10, -5, 1;

%e 6, 15, -20, 15, -6, 1;

%e 7, -21, 0, 0, -21, -7, 1;

%e 8, 28, 56, 0, 0, 0, 0, 1;

%e 9, -36, 84, 126, 126, 0, 0, 0, 1;

%e 10, 45, 0, -210, 252, -210, 0, 0, -10, 1;

%Y Cf. A157283.

%K sign,tabl

%O 1,2

%A _Mats Granvik_ & _Gary W. Adamson_, Feb 28 2009