1,5

Table of n, a(n) for n=1..9.

Eric Weisstein's World of Mathematics, Antelope Graph

Eric Weisstein's World of Mathematics, Maximal Independent Vertex Set

Sequence in context: A060616 A297387 A016936 * A013721 A337025 A053859

Adjacent sequences: A321239 A321240 A321241 * A321243 A321244 A321245

nonn,more

Eric W. Weisstein, Nov 01 2018

approved