OFFSET
1,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..200
MATHEMATICA
Table[2^Prime[n] - 3, {n, 20}]
PROG
(Magma) [2^p-3: p in PrimesUpTo(100)];
CROSSREFS
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Apr 29 2014
STATUS
approved