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

0,1

Comments

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

Links

Table of n, a(n) for n=0..65.

Formula

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

Example

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

Crossrefs

Sequence in context: A189921 A341346 A167371 * A087748 A117446 A187034

Adjacent sequences: A127238 A127239 A127240 * A127242 A127243 A127244

Keyword

easy,nonn,tabl

Author

Paul Barry, Jan 10 2007

Status

approved