3,3

See A335057 for illustrations.

Table of n, a(n) for n=3..69.

a(n) = n - 3 - A079978(n).

Cf. A335057 (regions), A335058 (edges), A335059 (vertices).

Sequence in context: A118003 A159296 A277191 * A035632 A114701 A325260

Adjacent sequences: A335126 A335127 A335128 * A335130 A335131 A335132

nonn

Lars Blomberg, May 24 2020

approved