A049370 Number of n-node planar graphs with minimum degree at least 2.

0, 0, 1, 3, 10, 50, 335, 3194, 39347, 579323, 9506939, 167343828

Offset

1,4

Links

Table of n, a(n) for n=1..12.

Eric Weisstein's World of Mathematics, Planar Graph.

Crossrefs

Sequence in context: A088142 A276028 A209902 * A009343 A352414 A341648

Adjacent sequences: A049367 A049368 A049369 * A049371 A049372 A049373

Keyword

nonn,nice,hard,more

Author

Brendan McKay

Extensions

a(12) from Sean A. Irvine, Aug 21 2021

Status

approved