Triangle read by rows: T(n,k) is the coefficient A_k in the transformation of 1 + x + x^2 + ... + x^n to the polynomial A_k*(x-(-1)^k)^k for 0 <= k <= n.
A248976
Triangle read by rows: T(n,k) is the coefficient A_k in the transformation of 1 + x + x^2 + ... + x^n to the polynomial A_k*(x-(-1)^k)^k for 0 <= k <= n.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =-3a(4) =3a(5) =1a(6) =8a(7) =-6a(8) =-2a(9) =1a(10) =65a(11) =-50a(12) =-20a(13) =5a(14) =1a(15) =-296a(16) =235a(17) =90a(18) =-25a(19) =-4a(20) =1a(21) =-3059a(22) =2401a(23) =945a(24) =-245a(25) =-49a(26) =7a(27) =1a(28) =21552a(29) =-16940
External references
- oeis: A248976