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A143586 Length of row n of the Kolakoski fan A143477. 4
1, 1, 2, 4, 6, 9, 13, 19, 29, 44, 66, 99, 151, 225, 338, 506, 761, 1138, 1705, 2555, 3835, 5751, 8629, 12953, 19426, 29146, 43723, 65585, 98351, 147501, 221259, 331899, 497861, 746874, 1120279, 1680480, 2520838, 3781134, 5671673, 8507660, 12761336 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

COMMENTS

Conjecture: if L(n)=A143586(n), then lim(L(n+1)/L(n)) = 3/2. For a more general conjecture see A143589.

EXAMPLE

The first 4 rows of A143477 are

1

2

22

1122. Their lengths are 1,1,2,4.

CROSSREFS

Cf. A000002, A143477.

Sequence in context: A039900 A039902 A081659 * A081225 A164140 A070211

Adjacent sequences:  A143583 A143584 A143585 * A143587 A143588 A143589

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu), Aug 25 2008

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Last modified February 16 06:27 EST 2012. Contains 205860 sequences.