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1,1
See A039672 for definition.
Table of n, a(n) for n=1..54.
a(n) = A039693(n)+2. [From R. J. Mathar, Oct 10 2010]
A039673.
Sequence in context: A139217 A038391 A090854 * A229439 A000288 A074863
Adjacent sequences: A039691 A039692 A039693 * A039695 A039696 A039697
nonn
Felice Russo
Corrected by R. J. Mathar, Oct 10 2010
approved