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A011676
A binary m-sequence: expansion of reciprocal of x^7+x^6+x^4+x^2+1.
1
0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1
OFFSET
0,1
COMMENTS
Sequence is 127-periodic. - Ray Chandler, Jun 24 2017
REFERENCES
S. W. Golomb, Shift-Register Sequences, Holden-Day, San Francisco, 1967.
H. D. Lueke, Korrelationssignale, Springer 1992, pp. 43-48.
F. J. MacWilliams and N. J. A. Sloane, The Theory of Error-Correcting Codes, Elsevier/North Holland, 1978, p. 408.
MATHEMATICA
Join[Table[0, 6], Mod[CoefficientList[1/(x^7 + x^6 + x^4 + x^2 + 1) + O[x]^96, x], 2]] (* Jean-François Alcover, Feb 23 2018 *)
CROSSREFS
Sequence in context: A011688 A144197 A295875 * A277147 A248747 A369665
KEYWORD
nonn
AUTHOR
STATUS
approved