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A082586
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Length of the run of consecutive equal digits in the decimal expansion of Pi beginning at position n and ignoring any immediately-previous equal digits.
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2
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,25
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COMMENTS
| Digits 3,1,4,... are indexed 1,2,3,...
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EXAMPLE
| Pi = 3.141592653589793238462643383279502884... and the first run of 2 starts at position 25, so a(n) = 1 for n < 25, a(25) = 2.
Runs of length 2 begin in positions 25,35,45,60,80,95 then not again until 118. Compare A049514 and A049518.
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CROSSREFS
| Cf. A084073, A121657 (another version).
Sequence in context: A161606 A171398 A113607 * A160094 A043283 A127937
Adjacent sequences: A082583 A082584 A082585 * A082587 A082588 A082589
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KEYWORD
| nonn,base,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), May 12 2003
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EXTENSIONS
| More terms from Kyle Hoffman (khoffma1(AT)ashland.edu), Apr 01 2004
Definition clarified by Rick L. Shepherd (rshepherd2(AT)hotmail.com), Aug 26 2006
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