1,1
a(n)=A007522(n), n>=1. R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 22 2006
Sequence in context: A049564 A072936 A049584 this_sequence A049560 A049588 A106020
Adjacent sequences: A045379 A045380 A045381 this_sequence A045383 A045384 A045385
nonn
N. J. A. Sloane (njas(AT)research.att.com).
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