0,1
Cf. A006881, A007304.
Sequence in context: A081430 A147670 A204397 * A118419 A091291 A205178
Adjacent sequences: A058891 A058892 A058893 * A058895 A058896 A058897
nonn
Naohiro Nomoto (6284968128(AT)geocities.co.jp), Jan 08 2001