0,2
Cf. A152541, A152543, A152544.
Sequence in context: A047657 A188500 A188515 * A206877 A206995 A206779
Adjacent sequences: A152539 A152540 A152541 * A152543 A152544 A152545
nonn
Paul D. Hanna (pauldhanna(AT)juno.com), Dec 12 2008