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A138885
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n-th run has length n-th nonprime number, with digits 0 and 1 only, starting with 1.
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1
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1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| .n ..... Run ................... Length
.1 ..... 1 ..................... 1
.2 ..... 0,0,0,0 ............... 4
.3 ..... 1,1,1,1,1,1 ........... 6
.4 ..... 0,0,0,0,0,0,0,0 ....... 8
.5 ..... 1,1,1,1,1,1,1,1,1 ..... 9
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CROSSREFS
| Nonprime numbers: A018252. Cf. A057211, A138149, A138150, A138709, A138710, A138711, A138712, A138886.
Sequence in context: A123192 A071005 A089510 * A014065 A014049 A016371
Adjacent sequences: A138882 A138883 A138884 * A138886 A138887 A138888
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KEYWORD
| easy,nonn
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AUTHOR
| Omar E. Pol (info(AT)polprimos.com), Apr 06 2008
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