1,2

Table of n, a(n) for n=1..72.

24 has the prime-factorization of 2^3 * 3^1. The smallest integer > a(23)=26 that is coprime to 3 and 1 is 28. (27 is not coprime to 3.) So a(24)=28.

Cf. A138308, A138311.

Sequence in context: A183292 A039193 A028798 * A184514 A001068 A039145

Adjacent sequences: A138306 A138307 A138308 * A138310 A138311 A138312

nonn

Leroy Quet, Mar 13 2008

More terms from Sean A. Irvine, Mar 07 2010

approved