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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