1,3

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

Eric Weisstein's World of Mathematics, Halved Cube Graph

Eric Weisstein's World of Mathematics, Hamiltonian Path

a(n) = A137888(n)/2.

Cf. A137888.

Sequence in context: A012607 A167072 A333674 * A107251 A201493 A009173

Adjacent sequences: A308127 A308128 A308129 * A308131 A308132 A308133

nonn,more,hard

Eric W. Weisstein, May 14 2019

approved