A084711 -21*zeta_K(-1), where K runs through the simplest cubic fields.

1, 7, 21, 147, 1393, 2569, 7525, 13748, 30171, 43491, 100639, 123456, 224175, 296991, 495367, 658684, 1013008, 1438440, 1954357, 2310462, 3813903, 4092029, 5916929, 6974592, 10276475, 10989267, 14919105, 21957309, 26812232, 36865003

Offset

1,2

Links

Table of n, a(n) for n=1..30.

Hyun Kwang Kim and Jung Soo Kim, Evaluation of zeta function of the simplest cubic field at negative odd integers, Math. Comp. 71 (2002), no. 239, 1243-1262.

Crossrefs

See A005471 for discriminants. Cf. A084719, A084734.

Sequence in context: A028248 A267609 A032032 * A183938 A060146 A357673

Adjacent sequences: A084708 A084709 A084710 * A084712 A084713 A084714

Keyword

nonn

Author

N. J. A. Sloane, Jul 03 2003

Extensions

More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Jul 03 2003

Status

approved