login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

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
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
CROSSREFS
Cf. A085715.
Sequence in context: A033331 A229192 A303978 * A127820 A168206 A120831
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 19 2003
STATUS
approved