0,2
a(n) = A057507(2n+1). Cf. A081151.
Adjacent sequences: A081164 A081165 A081166 this_sequence A081168 A081169 A081170
Sequence in context: A137635 A029706 A009640 this_sequence A034429 A058149 A009314
nonn
Wouter Meeussen (wouter.meeussen(AT)pandora.be) & Antti Karttunen (Firstname.Surname(AT)iki.fi) Mar 10 2003
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