A143586 Length of row n of the Kolakoski fan A143477.

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

Offset: 1

Author

Clark Kimberling, Aug 25 2008

Keywords

• nonn

Comments

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

Examples

			The first 4 rows of A143477 are
1
2
22
1122. Their lengths are 1,1,2,4.
		

Crossrefs

Cf. A000002, A143477.