1,1
Found by David Broadhurst in 2002. Note that zeta(-1)=-1/12. Hence zeta(1-2p) has denominator 12 and prime numerator.
Cf. A112548 (n such that the numerator of zeta(1-n) is prime).
Sequence in context: A104213 A178550 A105896 * A111380 A109775 A108560
Adjacent sequences: A112738 A112739 A112740 * A112742 A112743 A112744
hard,nonn
T. D. Noe (noe(AT)sspectra.com), Sep 28 2005