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A293178 Number of linearly chained pairs of n X n alternating sign matrices. 5

%I

%S 2,17,504,53932

%N Number of linearly chained pairs of n X n 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.

%K nonn,more

%O 1,1

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

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Last modified August 18 20:02 EDT 2019. Contains 326109 sequences. (Running on oeis4.)