

A032354


jinvariants for orders of class number 1.


5



0, 1728, 3375, 8000, 32768, 54000, 287496, 884736, 12288000, 16581375, 884736000, 147197952000, 262537412640768000
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

0,2


COMMENTS

This sequence may also be written as [0, 12^3, 15^3, 20^3, 32^3, 2*30^3, 66^3, 96^3, 3*160^3, 255^3, 960^3, 5280^3, 640320^3]. Compare A267195.  N. J. A. Sloane, Jan 27 2016


REFERENCES

H. Cohn, Introduction to the Construction of Class Fields, Cambridge; p. 183.
D. A. Cox, Primes of the form x^2+ny^2, Wiley, p. 261.


LINKS

Table of n, a(n) for n=0..12.


CROSSREFS

See A267195 for (essentially) the cube roots of these numbers.
See A133675 (times 1) for the corresponding discriminants.
Sequence in context: A305474 A302142 A305494 * A305475 A202458 A179694
Adjacent sequences: A032351 A032352 A032353 * A032355 A032356 A032357


KEYWORD

sign,fini,full


AUTHOR

N. J. A. Sloane.


STATUS

approved



