First row sum of the 5 X 5 matrix M^n, where M = {{0, -1, 0, 0, 0}, {-1, 1, -1, 0, 0}, {0, -1, 1, -1, 0}, {0, 0, -1, 1, -1}, {0, 0, 0, -1, 1}}, n>=0.

A122948

First row sum of the 5 X 5 matrix M^n, where M = {{0, -1, 0, 0, 0}, {-1, 1, -1, 0, 0}, {0, -1, 1, -1, 0}, {0, 0, -1, 1, -1}, {0, 0, 0, -1, 1}}, n>=0.

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =-1a(4) =1a(5) =0a(6) =4a(7) =10a(8) =33a(9) =93a(10) =264a(11) =729a(12) =1999a(13) =5437a(14) =14726a(15) =39757a(16) =107118a(17) =288201a(18) =774672a(19) =2080936a(20) =5587388a(21) =14997840a(22) =40249449a(23) =108001720a(24) =289774494a(25) =777430359a(26) =2085660586a(27) =5595162045a(28) =15009725921a(29) =40264911876

External references