0,3
a(n) = A081157(2n+1).
Sequence in context: A198052 A203216 A198647 * A105489 A093302 A093130
Adjacent sequences: A081156 A081157 A081158 * A081160 A081161 A081162
nonn
Wouter Meeussen (wouter.meeussen(AT)pandora.be) & Antti Karttunen (Firstname.Surname(AT)iki.fi) Mar 10 2003