OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..200
Eric Weisstein's World of Mathematics, Ramanujan's Square Equation
EXAMPLE
If p = 3, then 2^3 - 7 = 1.
If p = 5, then 2^5 - 7 = 25.
MATHEMATICA
Table[2^Prime[n] - 7, {n, 20}]
PROG
(Magma) [2^p-7: p in PrimesUpTo(100)]; // Vincenzo Librandi, Apr 29 2014
CROSSREFS
KEYWORD
sign
AUTHOR
Parthasarathy Nambi, Oct 07 2004
EXTENSIONS
More terms from Ray Chandler, Nov 14 2004
STATUS
approved