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A055109 Numbers n such that Q(sqrt(-n)) has class number 6. 5
26, 29, 38, 53, 61, 87, 106, 109, 118, 157, 202, 214, 247, 262, 277, 298, 339, 358, 397, 411, 451, 515, 707, 771, 835, 843, 1059, 1099, 1147, 1203, 1219, 1267, 1315, 1347, 1363, 1563, 1603, 1843, 1915, 1963, 2227, 2283, 2443, 2515, 2563, 2787 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..46.

Index entries for sequences related to quadratic fields

PROG

For PARI code see A005847

CROSSREFS

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

Sequence in context: A056081 A081644 A256619 * A106552 A106550 A304949

Adjacent sequences:  A055106 A055107 A055108 * A055110 A055111 A055112

KEYWORD

nonn,fini

AUTHOR

N. J. A. Sloane, Jun 16 2000

STATUS

approved

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Last modified October 16 01:33 EDT 2019. Contains 328038 sequences. (Running on oeis4.)