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A138886 n-th run has length n-th nonprime number A018252, with digits 0 and 1 only, starting with 0. 1
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; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Also the n-th run has length A141468, with digits 0 and 1 only, starting with 1.

LINKS

Table of n, a(n) for n=1..79.

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

Cf. A057211, A138149, A138150, A138709, A138710, A138711, A138712, A138885.

Sequence in context: A323377 A068344 A161382 * A269528 A099859 A176416

Adjacent sequences:  A138883 A138884 A138885 * A138887 A138888 A138889

KEYWORD

easy,nonn

AUTHOR

Omar E. Pol, Apr 06 2008

STATUS

approved

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Last modified April 19 15:00 EDT 2021. Contains 343116 sequences. (Running on oeis4.)