A151537 Number of 1-sided polyedges with n edges.
1, 2, 7, 25, 99, 416, 1854, 8411, 38980, 182829, 867096, 4145168, 19955321, 96619260, 470157772
Offset: 1
Links
- Ishino Keiichiro, Polyedge, Puzzle will be played, 2009.
- Ed Pegg, Jr., Illustrations of polyforms
- Eric Weisstein's World of Mathematics, Polyedge
Extensions
a(11)-a(14) from Joseph Myers, Oct 03 2011
a(15) from Ishino Keiichiro's website added by Andrey Zabolotskiy, Dec 10 2023