Triangular sequence from polynomials that gives roots near 137.

Terms

a(0) =1a(1) =137a(2) =-1a(3) =-135a(4) =-137a(5) =1a(6) =134a(7) =0a(8) =137a(9) =-1a(10) =-133a(11) =0a(12) =0a(13) =-137a(14) =1a(15) =132a(16) =0a(17) =0a(18) =0a(19) =137a(20) =-1a(21) =-131a(22) =0a(23) =0a(24) =0a(25) =0a(26) =-137a(27) =1a(28) =130a(29) =0