1,3

Table of n, a(n) for n=1..5.

Eric Weisstein's World of Mathematics, Graph Path

Eric Weisstein's World of Mathematics, Halved Cube Graph

Sequence in context: A116076 A230473 A088853 * A135349 A159373 A006473

Adjacent sequences: A306914 A306915 A306916 * A306918 A306919 A306920

nonn,more

Eric W. Weisstein, Apr 17 2019

approved