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A071907 Kolakoski-(1,4) sequence: a(n) is length of n-th run. 4
1, 4, 4, 4, 4, 1, 1, 1, 1, 4, 4, 4, 4, 1, 1, 1, 1, 4, 1, 4, 1, 4, 4, 4, 4, 1, 1, 1, 1, 4, 4, 4, 4, 1, 1, 1, 1, 4, 1, 4, 1, 4, 4, 4, 4, 1, 4, 4, 4, 4, 1, 4, 4, 4, 4, 1, 1, 1, 1, 4, 4, 4, 4, 1, 1, 1, 1, 4, 1, 4, 1, 4, 4, 4, 4, 1, 1, 1, 1, 4, 4, 4, 4, 1, 1, 1, 1, 4, 1, 4, 1, 4, 4, 4, 4, 1, 4, 4, 4, 4, 1, 4, 4, 4, 4 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

Michael Baake and Bernd Sing, Kolakoski-(3,1) is a (deformed) model set

CROSSREFS

Cf. A000002, A071820, A064353, A071928, A071942.

Sequence in context: A073259 A174987 A171408 * A172369 A190338 A199177

Adjacent sequences:  A071904 A071905 A071906 * A071908 A071909 A071910

KEYWORD

nonn,easy

AUTHOR

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

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Last modified February 14 20:38 EST 2012. Contains 205663 sequences.