login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A035080 Number of asymmetric connected graphs where every block is a complete graph. 2
1, 1, 0, 0, 0, 0, 1, 3, 7, 21, 60, 168, 472, 1344, 3843, 11104, 32305, 94734, 279708, 831401, 2485877, 7474667, 22589771, 68594611, 209198103, 640591332, 1968920180, 6072766832, 18791062733, 58321579888 (list; graph; refs; listen; history; internal format)
OFFSET

0,8

FORMULA

G.f.: A(x)=B(x)+C(x)-B(x)*C(x). B, C gfs of A007561 and A035079.

CROSSREFS

Cf. A007561, A035081.

Sequence in context: A091650 A096240 A182887 * A091486 A056779 A183113

Adjacent sequences:  A035077 A035078 A035079 * A035081 A035082 A035083

KEYWORD

nonn

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), Nov 15 1998.

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 13 08:12 EST 2012. Contains 205451 sequences.