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Number of linearly chained n-tuples of 3 X 3 alternating sign matrices.
4

%I #9 Jan 20 2018 11:48:32

%S 7,504,49,98028

%N Number of linearly chained n-tuples of 3 X 3 alternating sign matrices.

%H Heuer, Dylan, Chelsey Morrow, Ben Noteboom, Sara Solhjem, Jessica Striker, and Corey Vorland. "Chained permutations and alternating sign matrices - Inspired by three-person chess." Discrete Mathematics 340, no. 12 (2017): 2732-2752. Also <a href="http://arxiv.org/abs/1611.03387">arXiv:1611.03387</a>.

%Y Cf. A005130, A293178, A293179.

%K nonn,more

%O 1,1

%A _N. J. A. Sloane_, Oct 19 2017