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.

0, 12, -15, 20, -32, 30, 66, -96, -160, 255, -960, -5280, -640320

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 * A353702 A335859 A259040

Adjacent sequences: A267192 A267193 A267194 * A267196 A267197 A267198

Keyword

sign,fini,full

Author

N. J. A. Sloane, Jan 27 2016

Status

approved