A127829 Number triangle mod(C(floor(k/2),n-k),2).

1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1

Offset: 0

Author

Paul Barry, Feb 01 2007

Keywords

• easy
• nonn
• tabl

Comments

Row sums are A127830. Inverse is A127831.

Examples

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

Formula

T(n,k)=mod(A124788(n,k),2)