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+2k)^k for 0 <= k <= n .

A248829

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+2k)^k for 0 <= k <= n .

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =-1a(4) =-7a(5) =1a(6) =-1a(7) =29a(8) =-17a(9) =1a(10) =-1a(11) =-99a(12) =175a(13) =-31a(14) =1a(15) =-1a(16) =301a(17) =-1425a(18) =569a(19) =-49a(20) =1a(21) =-1a(22) =-851a(23) =10095a(24) =-8071a(25) =1391a(26) =-71a(27) =1a(28) =-1a(29) =2285

External references