A049710 a(n)=3-k(n), where k=A006928; also, a and k have the same runlength sequence, with n-th term k(n-1) for n >= 2.

2, 1, 2, 2, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 1, 1, 2, 2, 1, 2, 2, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2

Offset

1,1

Comments

Essentially the same as A049705. [From R. J. Mathar, Oct 15 2008]

Links

Table of n, a(n) for n=1..105.

Formula

a(n) = A049705(n+1) = A088569(n) for n > 1. - Jean-Christophe Hervé, Nov 10 2014

Crossrefs

Cf. A000002 (Kolakoski sequence).

Sequence in context: A123018 A336532 A100429 * A352632 A025143 A174314

Adjacent sequences: A049707 A049708 A049709 * A049711 A049712 A049713

Keyword

nonn

Author

Clark Kimberling

Status

approved