A256551 Triangle read by rows, T(n,k) matrix inverse of A256550, for n>=0 and 0<=k<=n.
1, 0, 1, 0, -1, 1, 0, 1, -3, 1, 0, 1, 6, -6, 1, 0, -15, 10, 20, -10, 1, 0, 48, -225, 50, 50, -15, 1, 0, 581, 1008, -1575, 175, 105, -21, 1, 0, -11069, 16268, 9408, -7350, 490, 196, -28, 1, 0, 20784, -398484, 195216, 56448, -26460, 1176, 336, -36, 1
Offset: 0
Examples
Triangle starts: [1] [0, 1] [0, -1, 1] [0, 1, -3, 1] [0, 1, 6, -6, 1] [0, -15, 10, 20, -10, 1] [0, 48, -225, 50, 50, -15, 1] [0, 581, 1008, -1575, 175, 105, -21, 1]