A389265 Number of nodes in the smallest quartic graph with crossing number n.

6, 5, 7, 9, 8, 10, 12, 13, 12, 14, 14, 16, 16

Offset

0,1

Comments

a(13) > 16.

a(14) = 16.

Links

Table of n, a(n) for n=0..12.

Eric Weisstein's World of Mathematics, Smallest Quartic Crossing Number Graph.

Crossrefs

Cf. A389263 (number of quartic graphs).

Cf. A110507 (cubic graphs).

Sequence in context: A021156 A182448 A179591 * A063046 A104909 A266077

Adjacent sequences: A389262 A389263 A389264 * A389266 A389267 A389268

Keyword

nonn,more

Author

Eric W. Weisstein, Sep 27 2025

Extensions

a(11)-a(12) and a(14) from Eric W. Weisstein, Apr 10 2026

Status

approved