OFFSET
1,2
COMMENTS
a(n) > prime(n) for n > 1. - Charles R Greathouse IV, Nov 22 2013
Sequence is not monotonic. - Zak Seidov, Feb 15 2015
LINKS
Seiichi Manyama, Table of n, a(n) for n = 1..10000
FORMULA
MATHEMATICA
Table[ Prime[2n] - Prime[n], {n, 1, 60}]
PROG
(PARI) a(n) = prime(2*n) - prime(n); \\ Michel Marcus, Nov 22 2013
(Magma) [NthPrime(2*n) - NthPrime(n): n in [1..80]]; // Vincenzo Librandi, Feb 16 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Jun 20 2002
EXTENSIONS
Edited by Robert G. Wilson v and Jim Nastos, Jun 21 2002
STATUS
approved