1,3
Cf. A056524, A066492.
Sequence in context: A052426 A056142 A056525 * A083851 A071275 A050783
Adjacent sequences: A071269 A071270 A071271 * A071273 A071274 A071275
nonn,base
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 07 2002