OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
From Amiram Eldar, Jan 24 2021: (Start)
Product_{n>=1} (1 + 1/a(n)) = zeta(13)/zeta(26).
Product_{n>=1} (1 - 1/a(n)) = 1/zeta(13) = 1/A013671. (End)
MATHEMATICA
Array[Prime[ # ]^13 &, 10]
Prime[Range[30]]^13 (* Vincenzo Librandi, Mar 27 2014 *)
PROG
(Magma) [p^13: p in PrimesUpTo(100)]; // Vincenzo Librandi, Mar 27 2014
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vladimir Joseph Stephan Orlovsky, May 01 2008
EXTENSIONS
More terms from Vincenzo Librandi, Mar 27 2014
STATUS
approved