A049371 Number of n-node planar graphs with minimum degree at least 3.

0, 0, 0, 1, 2, 9, 46, 386, 3900, 48766, 670392, 9845024

Offset

1,5

Links

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

Eric Weisstein's World of Mathematics, Planar Graph.

Crossrefs

Cf. A005470.

Sequence in context: A219614 A183166 A032331 * A306725 A032079 A002395

Adjacent sequences: A049368 A049369 A049370 * A049372 A049373 A049374

Keyword

nonn,nice,hard,more

Author

Brendan McKay

Status

approved