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A085716 Class numbers of fields in A085715. 1
1, 1, 1, 1, 11, 5, 11, 16, 55, 305, 80, 256, 1451, 421, 541, 655, 1375, 4705, 2000, 7255, 9680, 9455, 9455, 37631, 19301, 203305, 83275, 32605, 108691, 44605, 76901, 308605, 153005, 478775, 186091, 189305, 591775, 289025, 2372005, 721151, 540905, 1566401, 1764400, 1217821, 760055, 798256, 4680055, 1386275, 1402000, 4822625, 2148080, 4628591, 2160455, 1636721, 11812625, 3869525, 4521505, 27105755, 6728105, 6340275, 7503505, 20599841, 24153305, 8088176, 6495280, 61395955, 17264525, 21321025, 12722855, 49860400, 42769375, 56285605, 88151275, 17478875, 21966025, 74338555, 155197205, 28850896, 37142851, 118690480, 44646025, 106111555, 54898055, 73297775 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

REFERENCES

S. R. Louboutin, Efficient computation of class numbers of real Abelian number fields, LNCS 2369 (2002), pp. 134-147. ANTS 2002. doi:10.1007/3-540-45455-1_11

LINKS

Table of n, a(n) for n=1..84.

CROSSREFS

Cf. A085715.

Sequence in context: A033331 A229192 A303978 * A127820 A168206 A120831

Adjacent sequences:  A085713 A085714 A085715 * A085717 A085718 A085719

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jul 19 2003

STATUS

approved

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Last modified September 20 11:42 EDT 2021. Contains 347584 sequences. (Running on oeis4.)