login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A126581 Freeman Dyson's list of values of k for which there is an identity of a certain type for the k-th power of the Dedekind eta function. 5
3, 8, 10, 14, 15, 21, 24, 26, 28, 35, 36, 45, 48, 52, 55, 63, 66, 78, 80, 91, 99, 105, 120, 133, 136, 143, 153, 168, 171, 190, 195, 210, 224, 231, 248, 253, 255, 276, 288, 300, 323, 325, 351, 360, 378, 399, 406, 435, 440, 465, 483, 496, 528, 561, 575, 595, 624, 630 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

I. G. Macdonald showed that this list is the same as A003038 except for the presence of the number 26.

REFERENCES

Freeman J. Dyson, Missed opportunities, Bull. Amer. Math. Soc. 78 (1972), 635-652.

N. Jacobson, Lie Algebras. Wiley, NY, 1962; pp. 141-146.

I. G. Macdonald, Some conjectures for root systems, SIAM J. Math. Anal., 13 (1982), 988-1007.

LINKS

Table of n, a(n) for n=1..58.

Freeman J. Dyson, Missed opportunities, Bull. Amer. Math. Soc. 78 (1972), 635-652.

Wikipedia, Dedekind eta function

CROSSREFS

Cf. A003038.

Sequence in context: A122529 A137920 A263005 * A003038 A184870 A073547

Adjacent sequences:  A126578 A126579 A126580 * A126582 A126583 A126584

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Mar 17 2007

EXTENSIONS

Definition clarified by Jonathan Sondow, Mar 24 2013

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 17 18:08 EST 2020. Contains 330987 sequences. (Running on oeis4.)