A039985 An example of a d-perfect sequence.

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

Offset

1,1

Links

Table of n, a(n) for n=1..105.

D. Kohel, S. Ling and C. Xing, Explicit Sequence Expansions, in Sequences and their Applications, C. Ding, T. Helleseth, and H. Niederreiter, eds., Proceedings of SETA'98 (Singapore, 1998), 308-317, 1999. DOI: 10.1007/978-1-4471-0551-0_23

Formula

a(n) = A108630(n) mod 2 - Christian G. Bower, Jun 12 2005

Crossrefs

Sequence in context: A023533 A010052 A302052 * A324822 A127239 A129186

Adjacent sequences: A039982 A039983 A039984 * A039986 A039987 A039988

Keyword

nonn

Author

N. J. A. Sloane.

Extensions

More terms from Christian G. Bower, Jun 12 2005

Status

approved