A127831 Inverse of number triangle mod(C(floor(k/2),n-k),2).

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

Offset: 0

Author

Paul Barry, Feb 01 2007

Keywords

• sign
• tabl

Comments

Row sums are A085357. Inverse of A127829.

Examples

			Triangle begins
1,
0, 1,
0, 0, 1,
0, 0, -1, 1,
0, 0, 1, -1, 1,
0, 0, 0, 0, 0, 1,
0, 0, -1, 1, -1, 0, 1,
0, 0, 1, -1, 1, -1, -1, 1,
0, 0, 0, 0, 0, 1, 0, -1, 1,
0, 0, 0, 0, 0, 1, 0, -1, 0, 1,
0, 0, -1, 1, -1, 1, 1, -1, 0, 0, 1