The On-Line Encyclopedia of Integer Sequences (OEIS)

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Revision History for A032354

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A032354

j-invariants for orders of class number 1.
(history; published version)

#10 by N. J. A. Sloane at Wed Jan 27 22:01:43 EST 2016

STATUS

editing

approved

#9 by N. J. A. Sloane at Wed Jan 27 22:01:38 EST 2016

CROSSREFS

See A133675 (times -1) for the corresponding discriminants.

STATUS

approved

editing

#8 by N. J. A. Sloane at Wed Jan 27 21:57:50 EST 2016

STATUS

editing

approved

#7 by N. J. A. Sloane at Wed Jan 27 21:57:48 EST 2016

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

STATUS

approved

editing

#6 by N. J. A. Sloane at Wed Jan 27 21:49:51 EST 2016

STATUS

editing

approved

#5 by N. J. A. Sloane at Wed Jan 27 21:49:48 EST 2016

CROSSREFS

See A267195 for (essentially) the cube roots of these numbers.

STATUS

approved

editing

#4 by Russ Cox at Fri Mar 30 16:47:20 EDT 2012

AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com)_.

Discussion

Fri Mar 30

16:47

OEIS Server: https://oeis.org/edit/global/110

#3 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

KEYWORD

sign,fini,full,new

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

#2 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003

REFERENCES

H. Cohn, Introduction to the Construction of Class Fields, Cambridge; p. 183.

KEYWORD

sign,done,fini,full,new

#1 by N. J. A. Sloane at Sat Dec 11 03:00:00 EST 1999

NAME

j-invariants for orders of class number 1.

DATA

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

OFFSET

0,2

REFERENCES

D. A. Cox, Primes of the form x^2+ny^2, Wiley, p. 261.

KEYWORD

sign,done,fini,full

AUTHOR

njas

STATUS

approved