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.
A248975
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) =2a(2) =1a(3) =-1a(4) =-1a(5) =1a(6) =-12a(7) =-10a(8) =4a(9) =1a(10) =45a(11) =34a(12) =-14a(13) =-3a(14) =1a(15) =406a(16) =319a(17) =-124a(18) =-33a(19) =6a(20) =1a(21) =-2357a(22) =-1847a(23) =731a(24) =187a(25) =-39a(26) =-5a(27) =1a(28) =-26968a(29) =-21188
External references
- oeis: A248975