OFFSET
1,2
LINKS
Alois P. Heinz, Table of n, a(n) for n = 1..85
FORMULA
a(n) = (A139189(n)-1)/2. - R. J. Mathar, May 25 2008
MATHEMATICA
Table[(Prime[n]! - 2)/2, {n, 1, 20}]
PROG
(PARI) a(n) = (prime(n)!-2)/2 \\ Charles R Greathouse IV, Apr 29 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Apr 11 2008
EXTENSIONS
More terms from R. J. Mathar, May 25 2008
STATUS
approved