1,2

Table of n, a(n) for n=1..104.

Is sum(k=1, n, a(k)) asymptotic to c*n*log(n)*log(log(n)) with c=0.6...?

a(a(1)+a(2))=a(2) therefore a(3)=a(2)=2. a(a(1)+a(2)+a(3))=a(3) therefore a(5)=2. So a(4) is undefined but from the rule a(4)=a(3)+1=3.

Cf. A091309.

Sequence in context: A244580 A131830 A147952 * A321862 A071825 A115727

Adjacent sequences: A091313 A091314 A091315 * A091317 A091318 A091319

nonn

Benoit Cloitre, Feb 20 2004

approved