A293178 Number of linearly chained pairs of n X n alternating sign matrices.
2, 17, 504, 53932
Offset: 1
Links
- 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 arXiv:1611.03387.
Crossrefs
Cf. A005130.