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Search: id:A080905
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A080905 Sequence of run lengths in first differences of A080900. +0
3
4, 1, 4, 1, 4, 1, 2, 1, 1, 1, 2, 1, 4, 1, 4, 1, 2, 1, 1, 1, 2, 1, 4, 1, 4, 1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 4, 1, 4, 1, 2, 1, 1, 1, 2, 1, 4, 1, 4, 1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 4, 1, 4, 1, 2, 1, 1, 1, 2, 1, 4, 1, 4, 1, 2, 1, 1, 1, 2 (list; graph; listen)
OFFSET

1,1

COMMENT

Even after 400000 terms there is no clear pattern here.

EXAMPLE

A080900 begins 1, 6, 11, 16, 21, 19, 24, 29, 34, 39, 37, 42, 47, 52, 57, 55, 60, 65, ..., the differences are 5, 5, 5, 5, -2, 5, 5, 5, 5, -2, ... with runs of lengths 4, 1, 4, 1, ...

CROSSREFS

Cf. A080900, A080922, A080927.

Sequence in context: A030748 A144865 A096622 this_sequence A010685 A099301 A050347

Adjacent sequences: A080902 A080903 A080904 this_sequence A080906 A080907 A080908

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Apr 01 2003

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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