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.

A248830

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) =3a(2) =1a(3) =3a(4) =9a(5) =1a(6) =3a(7) =45a(8) =19a(9) =1a(10) =3a(11) =173a(12) =211a(13) =33a(14) =1a(15) =3a(16) =573a(17) =1811a(18) =633a(19) =51a(20) =1a(21) =3a(22) =1725a(23) =13331a(24) =9273a(25) =1491a(26) =73a(27) =1a(28) =3a(29) =4861

External references