A378673 - OEIS

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A378673

Numbers of not uniquely embeddable trees on n vertices.

1

0, 0, 0, 0, 0, 0, 1, 4, 16, 49, 140, 390

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,8

LINKS

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

Eric Weisstein's World of Mathematics, Uniquely Embeddable Graph.

Eric Weisstein's World of Mathematics, Tree.

FORMULA

a(n) = A000055(n) - A378672(n).

CROSSREFS

Cf. A378672 (uniquely embeddable trees).

Cf. A372853 (uniquely embeddable planar connected graphs).

Cf. A000055 (trees).

Sequence in context: A224147 A227266 A114185 * A188516 A188501 A283692

Adjacent sequences: A378669 A378670 A378672 * A378674 A378676 A378677

KEYWORD

nonn,more,new

AUTHOR

Eric W. Weisstein, Dec 03 2024

STATUS

approved