A151540 Number of 1-sided triangular strip polyedges with n cells.
1, 3, 14, 54, 239, 1007, 4375, 18728, 80572, 344651, 1473402, 6280556, 26732173, 113570050, 481832209, 2041461824, 8639576140, 36524803606, 154269617690, 651036955831, 2745359144355
Offset: 1
Links
- Ed Pegg, Jr., Illustrations of polyforms
- Eric Weisstein's World of Mathematics, Polyedge
Extensions
a(9)-a(13) from Joseph Myers, Oct 05 2011
a(14)-a(21) from Bert Dobbelaere, Mar 23 2025