A232219 Arises from color-symmetrized counting of tensor invariants.

1, 2, 3, 11, 27, 93, 233, 978, 3156, 13280, 44476, 205611, 796091

Offset

1,2

Comments

See Geloun-Ramgoolam (2013), Section 5.2 and Appendix B for precise definition and Mathematica code.

Links

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

Joseph Ben Geloun and Sanjaye Ramgoolam, Counting Tensor Model Observables and Branched Covers of the 2-Sphere, Annales de l'Institut Henri Poincaré D, Vol. 1, No. 1 (2014), pp. 77-138; arXiv preprint, arXiv:1307.6490 [hep-th], 2013.

Joseph Ben Geloun and Sanjaye Ramgoolam, Tensor models, Kronecker coefficients and permutation centralizer algebras, J. High Energy Phys. 2017, No. 11, Paper No. 92, 75 p. (2017).

Crossrefs

Sequence in context: A294637 A295613 A232212 * A265095 A301804 A335856

Adjacent sequences: A232216 A232217 A232218 * A232220 A232221 A232222

Keyword

nonn,more

Author

N. J. A. Sloane, Nov 22 2013

Status

approved