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A232207
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Arises from color-symmetrized counting of tensor invariants.
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2
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1, 1, 2, 4, 5, 13, 29, 48, 114, 301, 579, 1462, 4198, 9295, 24184, 73489, 179879, 488616, 1540939, 4086226, 11540851, 37515163, 106101932, 311122047, 1037973223, 3097496100, 9407708340, 32130072122, 100356356885, 314999307749, 1099302983248, 3571869566808
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OFFSET
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1,3
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COMMENTS
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See Geloun-Ramgoolam, Section 5.1 and Appendix B for precise definition and Mathematica code.
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LINKS
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Hiroaki Yamanouchi, Table of n, a(n) for n = 1..60
J. B. Geloun, S. Ramgoolam, Counting Tensor Model Observables and Branched Covers of the 2-Sphere, arXiv preprint arXiv:1307.6490, 2013
Hiroaki Yamanouchi, Python code
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CROSSREFS
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a(n) * n! gives A239838(n). - Alois P. Heinz, Jul 23 2014
Sequence in context: A289491 A102992 A273097 * A136563 A127077 A104549
Adjacent sequences: A232204 A232205 A232206 * A232208 A232209 A232210
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane, Nov 21 2013
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EXTENSIONS
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a(14)-a(32) from Hiroaki Yamanouchi, Mar 12 2015
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STATUS
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approved
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