1,3

Conjecture : Each prime number appears in this sequence at least once.

Is there any general asymptotic formula for appearance of p(n) in this sequence ?

Table of n, a(n) for n=1..67.

a(6) = p(6)-primorial(2) = 13-6 = 7

Cf. A000040, A002110, A136437.

Sequence in context: A021080 A049764 A136437 * A140991 A302191 A261712

Adjacent sequences: A137325 A137326 A137327 * A137329 A137330 A137331

easy,nonn

Ctibor O. Zizka, Apr 07 2008

approved