1,2
The only term which is not a power of 2 is the 4-th term 6.
Essentially the same as A061286 with terms {1,6} added.
For n>2, a(n+2) = A061286(n) = 2^(A000040(n)-1) = 2^A006093(n).
Cf. A005179.
Sequence in context: A167569 A032503 A050838 * A112086 A070325 A199578
Adjacent sequences: A071240 A071241 A071242 * A071244 A071245 A071246
nonn
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 20 2002
Edited, corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jun 28 2008