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A267195 The j-invariants in A032354 are perfect cubes, except for two terms that have an extra factor of 2 or 3. Ignore these two extra factors and take the cube roots. 1
0, 12, -15, 20, -32, 30, 66, -96, -160, 255, -960, -5280, -640320 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

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

LINKS

Table of n, a(n) for n=1..13.

CROSSREFS

Cf. A032354, A133675.

Sequence in context: A144266 A162826 A162820 * A335859 A259040 A158190

Adjacent sequences:  A267192 A267193 A267194 * A267196 A267197 A267198

KEYWORD

sign,fini,full

AUTHOR

N. J. A. Sloane, Jan 27 2016

STATUS

approved

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Last modified September 19 06:16 EDT 2020. Contains 337177 sequences. (Running on oeis4.)