A379436 Number of rooted simple planar maps without vertices of degree 1.

1, 0, 0, 1, 1, 6, 22, 92, 395, 1753

Offset

0,6

Comments

A simple planar map is without loops or parallel edges.

Links

Table of n, a(n) for n=0..9.

Crossrefs

Cf. A006400 (sensed), A006401 (unsensed), A022558 (rooted simple planar maps), A379433.

Sequence in context: A255465 A289603 A349834 * A240049 A387767 A078418

Adjacent sequences: A379433 A379434 A379435 * A379437 A379438 A379439

Keyword

nonn,more

Author

Andrew Howroyd, Jan 14 2025

Status

approved