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A032354 j-invariants for orders of class number 1. 1
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: A020427 A232299 A280841 * A202458 A179694 A202200

Adjacent sequences:  A032351 A032352 A032353 * A032355 A032356 A032357

KEYWORD

sign,fini,full

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 19 22:04 EST 2018. Contains 299357 sequences. (Running on oeis4.)