A278590 a(n) = A278589(n)/2^n.
1, 1, 4, 40, 778, 25306
Offset: 0
Links
- Z. Hamaker, E. Marberg, B. Pawlowski, Involution words II: braid relations and atomic structures, arXiv preprint arXiv:1601.02269, 2016. See Remark following Th. 6.18.