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Search: id:A013948
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A013948 Positions of 2's in Kolakoski sequence (A000002). +0
1
2, 3, 6, 8, 9, 11, 12, 15, 18, 19, 21, 24, 26, 27, 30, 33, 35, 36, 38, 39, 42, 44, 45, 47, 50, 53, 54, 56, 57, 60, 62, 63, 65, 66, 69, 72, 74, 75, 77, 80, 81, 83, 84, 87, 89, 90, 92, 93, 96, 99, 100, 102, 105, 107, 108, 110, 111, 114, 117, 119, 120, 123, 126, 127, 129, 132, 135 (list; graph; listen)
OFFSET

1,1

FORMULA

Numbers n such that A078649(A054353(n-1)-n+2)-A054353(n-1)=1 [From Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 08 2009]

Least k such that A054353(k)>=A078649(n). a(n)=A078649(n)-n+1. [From Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 07 2009]

CROSSREFS

Sequence in context: A084090 A047286 A093510 this_sequence A013952 A105042 A092114

Adjacent sequences: A013945 A013946 A013947 this_sequence A013949 A013950 A013951

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.


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