Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the
OEIS Foundation home page.
Primes have negative signs in a(n). Differs from A055615 at a(30) = 30.
Table of n, a(n) for n=1..48.
Cf. A140699, A054524, A140256, A055615.
Sequence in context: A267186 A248092 A145105 * A055615 A243059 A190621
Adjacent sequences: A140697 A140698 A140699 * A140701 A140702 A140703
Mats O. Granvik and Gary W. Adamson, May 24 2008