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A138886 n-th run has length n-th nonprime number, with digits 0 and 1 only, starting with 0. +0
2
0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; listen)
OFFSET

1,1

EXAMPLE

.n ..... Run ................... Length

.1 ..... 0 ..................... 1

.2 ..... 1,1,1,1 ............... 4

.3 ..... 0,0,0,0,0,0 ........... 6

.4 ..... 1,1,1,1,1,1,1,1 ....... 8

.5 ..... 0,0,0,0,0,0,0,0,0 ..... 9

CROSSREFS

Nonprime numbers: A018252. Cf. A057211, A138149, A138150, A138709, A138710, A138711, A138712, A138885.

Sequence in context: A022930 A068344 A161382 this_sequence A099859 A102460 A080908

Adjacent sequences: A138883 A138884 A138885 this_sequence A138887 A138888 A138889

KEYWORD

easy,nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Apr 06 2008

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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