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

0,1

Comments

Row sums are A127830. Inverse is A127831.

Links

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

Formula

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

Example

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

Crossrefs

Sequence in context: A114482 A365799 A186518 * A127831 A164364 A198517

Adjacent sequences: A127826 A127827 A127828 * A127830 A127831 A127832

Keyword

easy,nonn,tabl

Author

Paul Barry, Feb 01 2007

Status

approved