A triangular sequence from 2^n times the coefficients of characteristic polynomials of a rational tridiagonal matrix type: M(3)= {{1/2,-1,0} {-1,1/2,-m}, {0,-1,1/2}}};m=-1; polynomial recursion associated is: p(x, n) = (1 - 2*x)*p(x, n - 1)/2 - p(x, n - 2);.

A136330

A triangular sequence from 2^n times the coefficients of characteristic polynomials of a rational tridiagonal matrix type: M(3)= {{1/2,-1,0} {-1,1/2,-m}, {0,-1,1/2}}};m=-1; polynomial recursion associated is: p(x, n) = (1 - 2*x)*p(x, n - 1)/2 - p(x, n - 2);.

Terms

    a(0) =1a(1) =1a(2) =-2a(3) =-3a(4) =-4a(5) =4a(6) =-7a(7) =10a(8) =12a(9) =-8a(10) =5a(11) =40a(12) =-24a(13) =-32a(14) =16a(15) =33a(16) =-10a(17) =-152a(18) =48a(19) =80a(20) =-32a(21) =13a(22) =-236a(23) =-36a(24) =480a(25) =-80a(26) =-192a(27) =64a(28) =-119a(29) =-222

External references