A055110 Numbers k such that Q(sqrt(-k)) has class number 8.

41, 62, 65, 66, 69, 77, 94, 95, 105, 111, 113, 114, 137, 138, 141, 145, 154, 158, 165, 178, 183, 205, 210, 213, 217, 226, 238, 258, 265, 273, 282, 295, 299, 301, 310, 313, 322, 330, 337, 345, 357, 371, 382, 385, 395, 418, 438, 442, 445, 457

Offset: 1

Author

N. J. A. Sloane, Jun 16 2000

Keywords

• nonn
• fini
• full

Links

• Jinyuan Wang, Table of n, a(n) for n = 1..131
• Index entries for sequences related to quadratic fields

Crossrefs

See A003173, A005847, A006203, A046085, A046002, A055109, A046004, A055110, A046006, A055111 for class numbers 1 through 10.

Programs

Mathematica

Select[Range[10000], MoebiusMu[#] != 0 && NumberFieldClassNumber[Sqrt[-#]] == 8 &] (* Jinyuan Wang, Mar 08 2020 *)

PARI

\\ See A005847.