1,1
a(n)=A046024(n)-1
Cf. A046024, A016088.
Sequence in context: A115610 A191798 A113635 * A181866 A106897 A195325
Adjacent sequences: A136092 A136093 A136094 * A136096 A136097 A136098
nonn
Artur Jasinski (grafix(AT)csl.pl), Dec 13 2007