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A161627 Positions n such that A010060(n)=A010060(n+4). +0
13
4, 5, 6, 7, 20, 21, 22, 23, 28, 29, 30, 31, 36, 37, 38, 39, 52, 53, 54, 55, 68, 69, 70, 71, 84, 85, 86, 87, 92, 93, 94, 95, 100, 101, 102, 103, 116, 117, 118, 119, 124, 125, 126, 127, 132, 133, 134, 135, 148, 149, 150, 151, 156, 157, 158, 159, 164, 165, 166, 167, 180, 181, 182 (list; graph; listen)
OFFSET

1,1

COMMENT

Or: union of the numbers of the form 4*A079523(n)+k, k=0, 1, 2, or 3.

Locates patterns of the form 1xxx1 or 0xxx0 in the Thue-Morse sequence.

LINKS

V. Shevelev, Equations of the form t(x+a)=t(x) and t(x+a)=1-t(x) for Thue-Morse sequence arXiv:0907.0880 [From Vladimir Shevelev (shevelev(AT)bgu.ac.il), Jul 31 2009]

CROSSREFS

Cf. A161579, A161580, A079523, A131323, A036554, A010060, A121539, A079523, A081706

Sequence in context: A053738 A154787 A107759 this_sequence A030667 A030677 A071177

Adjacent sequences: A161624 A161625 A161626 this_sequence A161628 A161629 A161630

KEYWORD

nonn

AUTHOR

Vladimir Shevelev (shevelev(AT)bgu.ac.il), Jun 15 2009

EXTENSIONS

Extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 28 2009

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Last modified November 25 13:47 EST 2009. Contains 167481 sequences.


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