A379434 Number of rooted planar maps with n edges and without faces of degree 1 or 2.

1, 0, 2, 9, 47, 278, 1720, 11175, 75149, 519852

Offset

0,3

Links

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

Crossrefs

Cf. A000168, A006392 (sensed), A006393 (unsensed), A379433.

Sequence in context: A042793 A390519 A059272 * A228341 A378074 A289576

Adjacent sequences: A379431 A379432 A379433 * A379435 A379436 A379437

Keyword

nonn,more

Author

Andrew Howroyd, Jan 14 2025

Status

approved