1,1

For other k>=2, except for terms of A185098, we have A185079(k)<k^2. In particular, all terms of the sequence are composite numbers. Conjecture. The sequence is infinite.

Table of n, a(n) for n=1..42.

lim {n tends to infty}a(n)/n^2=1.

Cf. A185079, A185098

Sequence in context: A182226 A066240 A115747 * A216295 A217058 A172052

Adjacent sequences: A185096 A185097 A185098 * A185100 A185101 A185102

nonn

Vladimir Shevelev, Feb 18 2011

Corrected by R. J. Mathar, Feb 19 2011

approved