1,1
Table of n, a(n) for n=1..4.
Cf. A086367.
Sequence in context: A075667 A136543 A133274 * A108251 A108252 A188536
Adjacent sequences: A086390 A086391 A086392 * A086394 A086395 A086396
nonn
Benoit Cloitre, Sep 06 2003
approved