3,1

See A335192 for illustrations.

Lars Blomberg, Table of n, a(n) for n = 3..300

Cf. A335192 (regions), A335193 (edges), A335195 (n-gons).

Sequence in context: A250984 A135251 A298809 * A307647 A088070 A175071

Adjacent sequences: A335191 A335192 A335193 * A335195 A335196 A335197

nonn

Lars Blomberg, May 26 2020

approved