Triangle of coefficients of polynomials P(k) = 2*X*P(k - 1) - P(k - 2), P(0) = -1, P(1) = 1 + X, with twisted signs.
A123956
Triangle of coefficients of polynomials P(k) = 2*X*P(k - 1) - P(k - 2), P(0) = -1, P(1) = 1 + X, with twisted signs.
Terms
- a(0) =-1a(1) =1a(2) =1a(3) =-1a(4) =-2a(5) =-2a(6) =1a(7) =-3a(8) =4a(9) =4a(10) =-1a(11) =4a(12) =8a(13) =-8a(14) =-8a(15) =1a(16) =5a(17) =-12a(18) =-20a(19) =16a(20) =16a(21) =-1a(22) =-6a(23) =-18a(24) =32a(25) =48a(26) =-32a(27) =-32a(28) =1a(29) =-7
External references
- oeis: A123956