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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]
Sequence in context: A038391 A265160 A090854 * A248098 A229439 A000288
Adjacent sequences: A039691 A039692 A039693 * A039695 A039696 A039697
Corrected by R. J. Mathar, Oct 10 2010