1,2
a(n) = A161704(n-1). [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 21 2009]
Sequence in context: A095982 A095090 A061947 this_sequence A018402 A018441 A124879
Adjacent sequences: A018248 A018249 A018250 this_sequence A018252 A018253 A018254
nonn,fini,full
N. J. A. Sloane (njas(AT)research.att.com).
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