0,1
Initializing at 0, 1, 2 or 4 gives A014221.
A000079 (powers of 2).
Sequence in context: A007159 A081466 A092592 * A063103 A058847 A088110
Adjacent sequences: A162182 A162183 A162184 * A162186 A162187 A162188
nonn
Benoit Jubin (benoit_jubin(AT)yahoo.fr), Jun 27 2009