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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A232217 Arises from color-symmetrized counting of tensor invariants. 0
1, 2, 5, 17, 59, 265, 1095, 6342, 33966, 219968, 1333654, 9930505, 70419371 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

See Geloun-Ramgoolam, Appendix B for precise definition and Mathematica code.

LINKS

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

J. B. Geloun, S. Ramgoolam, Counting Tensor Model Observables and Branched Covers of the 2-Sphere, arXiv preprint arXiv:1307.6490, 2013

CROSSREFS

Sequence in context: A149999 A148414 A306586 * A150000 A150001 A150002

Adjacent sequences:  A232214 A232215 A232216 * A232218 A232219 A232220

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Nov 22 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 December 3 10:42 EST 2021. Contains 349462 sequences. (Running on oeis4.)