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A038095 Number of rooted connected graphs where root has degree 2. 2
6, 72, 1440, 49680, 2998800, 324237312, 64440883584, 24059497893120, 17143668999705600, 23569875858252304384, 63000019679242004463616, 329150325651711775377195008, 3374625529825460684689466458112 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..15.

FORMULA

E.g.f.: B(x)/C(x) where B, C resp E.g.f.'s of A038094 and A006125.

CROSSREFS

Cf. A038094, A038096, A038097.

Sequence in context: A089252 A052730 A010796 * A012242 A138446 A099029

Adjacent sequences:  A038092 A038093 A038094 * A038096 A038097 A038098

KEYWORD

nonn,easy

AUTHOR

Christian G. Bower, Jan 04 1999; suggested by Vlady Ravelomanana

STATUS

approved

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Last modified October 21 18:43 EDT 2019. Contains 328308 sequences. (Running on oeis4.)