0,2
Bisection of A051593. Cf. A057742.
Sequence in context: A018617 A018286 A194360 * A071169 A172235 A163979
Adjacent sequences: A057740 A057741 A057742 * A057744 A057745 A057746
nonn,easy,more
N. J. A. Sloane (njas(AT)research.att.com), Oct 29 2000