OFFSET
0,5
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..16
FORMULA
a(n) = 2^A001591(n).
MATHEMATICA
2^LinearRecurrence[{1, 1, 1, 1, 1}, {0, 0, 0, 0, 1}, 15] (* Vincenzo Librandi, Dec 09 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Joseph Stephan Orlovsky, Nov 18 2009
STATUS
approved