

A011674


A binary msequence: expansion of reciprocal of x^7+x^6+x^5+x^4+x^3+x^2+1.


1



0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0
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OFFSET

0,1


COMMENTS

Sequence is 127periodic.  Ray Chandler, Jun 24 2017


REFERENCES

S. W. Golomb, ShiftRegister Sequences, HoldenDay, San Francisco, 1967.
H. D. Lueke, Korrelationssignale, Springer 1992, pp. 4348.
F. J. MacWilliams and N. J. A. Sloane, The Theory of ErrorCorrecting Codes, Elsevier/North Holland, 1978, p. 408.


LINKS

Ray Chandler, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, order 127.


MATHEMATICA

Join[Table[0, 6], Mod[CoefficientList[1/(x^7 + x^6 + x^5 + x^4 + x^3 + x^2 + 1) + O[x]^96, x], 2]] (* JeanFrançois Alcover, Feb 23 2018 *)


CROSSREFS

Sequence in context: A295297 A011691 A011684 * A011683 A226463 A011681
Adjacent sequences: A011671 A011672 A011673 * A011675 A011676 A011677


KEYWORD

nonn,easy


AUTHOR

N. J. A. Sloane.


STATUS

approved



