A127241 A Thue-Morse triangle.

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

Offset: 0

Author

Paul Barry, Jan 10 2007

Keywords

• easy
• nonn
• tabl

Comments

Row sums are A127238. Diagonal sums are A127242. Central coefficients give A000012.

Examples

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

Formula

Number triangle T(n,k)=A010060(binomial(k,n-k))