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A081319 Smallest k such that Q(sqrt(-k)) has class number n. +0
5
1, 5, 23, 14, 47, 26, 71, 41, 199, 74, 167, 89, 191, 101, 239, 146, 383, 293, 311, 194, 431, 269, 647, 329, 479, 314, 983, 341, 887, 461, 719, 446, 839, 614, 1031, 626, 1487, 1199, 1439, 689, 1151, 794, 1847, 854, 1319, 941, 3023, 1106, 1511, 1109, 1559 (list; graph; listen)
OFFSET

1,2

REFERENCES

Duncan A. Buell, Small class numbers and extreme values of L-functions of quadratic fields, Math. Comp., 31 (1977), 786-796.

CROSSREFS

Cf. A060649, A038552, A046125.

Sequence in context: A054415 A156328 A078190 this_sequence A002582 A102723 A136146

Adjacent sequences: A081316 A081317 A081318 this_sequence A081320 A081321 A081322

KEYWORD

nonn

AUTHOR

Dean Hickerson (dean.hickerson(AT)yahoo.com), Mar 18 2003

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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