A143590 Length of row n of A143589 (a Kolakoski fan).

1, 1, 2, 2, 3, 4, 7, 10, 16, 24, 36, 54, 80, 120, 180, 269, 404, 605, 908, 1361, 2041, 3063, 4591, 6890, 10333, 15509, 23259, 34901, 52344, 78516, 117762, 176636, 264944, 397405, 596099, 894193, 1341290, 2011935, 3017927, 4526825

Offset: 1

Author

Clark Kimberling, Aug 25 2008

Keywords

• nonn

Comments

Conjecture (following Benoit Cloitre's conjecture at A111090):

if L=A143489, then L(n)*(2/3)^n approaches a constant.

Examples

			The first 6 rows of A143589 are 1; 2; 1,1; 2,1; 1,1,2; 2,1,2,2. Their
lengths are 1,1,2,2,3,4.
		

Crossrefs

Cf. A000002, A111090, A143477, A143586, A143489.