0,1
A049022 is the same formula, but with intial values 2, 4.
Cf. A049022.
Sequence in context: A018751 A018773 A133035 this_sequence A018862 A127011 A069162
Adjacent sequences: A133513 A133514 A133515 this_sequence A133517 A133518 A133519
easy,nonn
Jonathan Vos Post (jvospost3(AT)gmail.com), Nov 30 2007
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