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A039984 An example of a d-perfect sequence. 0
1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

D. Kohel, S. Ling and C. Xing, Explicit Sequence Expansions

FORMULA

a(n) = A090345(n) mod 2 - Christian G. Bower (bowerc(AT)usa.net), Jun 12 2005 - Christian G. Bower (bowerc(AT)usa.net), Jun 12 2005

CROSSREFS

Sequence in context: A090971 A105594 A091949 * A153639 A103582 A129565

Adjacent sequences:  A039981 A039982 A039983 * A039985 A039986 A039987

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

More terms from Christian G. Bower (bowerc(AT)usa.net), Jun 12 2005

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Last modified February 15 02:46 EST 2012. Contains 205689 sequences.