A128190 Inverse of A128189.

1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, -1, 0, 1, 0, 0, 1, -1, 0, 1, 0, 0, 0, 0, -1, 0, 1, 0, 0, -1, 1, 0, -1, 0, 1, 0, 0, 1, 0, 0, 0, -1, 0, 1, 0, 0, 0, -1, 1, 0, 0, -1, 0, 1

Offset: 0

Author

Gary W. Adamson, Feb 17 2007

Keywords

• tabl
• sign

Comments

Row sums = 1, 2, 1, 1, 0, 1, 0, 0, 1, 0, ... (the first 10 terms of A104162).

Examples

			First few rows of the triangle:
  1;
  1,  1;
  0,  0,  1;
  0,  0,  0,  1;
  0,  0, -1,  0,  1;
  0,  0,  1, -1,  0,  1;
  ...
		

Crossrefs

Cf. A104162, A128189.

Formula

Inverse of A128189 as an infinite lower triangular matrix.