A232208 Arises from color-symmetrized counting of tensor invariants.

1, 2, 5, 15, 44, 199, 1069, 7638, 64503, 628900

Offset

1,2

Comments

See Geloun-Ramgoolam (2013), Section 5.1 and Appendix B for precise definition and Mathematica code.

Links

Table of n, a(n) for n=1..10.

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: A151463 A148353 A336417 * A294502 A254534 A071727

Adjacent sequences: A232205 A232206 A232207 * A232209 A232210 A232211

Keyword

nonn,more

Author

N. J. A. Sloane, Nov 22 2013

Extensions

More terms from Amiram Eldar, May 05 2024

Status

approved