A032354 j-invariants for orders of class number 1.

0, 1728, -3375, 8000, -32768, 54000, 287496, -884736, -12288000, 16581375, -884736000, -147197952000, -262537412640768000

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