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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A136285 Number of graphs on n labeled nodes with maximal degree exactly 3. 1
0, 0, 0, 23, 515, 10210, 221130, 5499165, 158416629, 5264924490, 200122583760, 8616774658305, 416417619554365, 22400104990385122, 1331442091500919580, 86886850043131597095, 6189883012226095338135, 478992622411196645778030 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

REFERENCES

D. E. Knuth, The Art of Computer Programming, Vol. 4A, Section 7.1.4.

FORMULA

Equals A136282 - A136281.

CROSSREFS

Cf. A000085 (degree at most 1), A136281-A136286.

Sequence in context: A170656 A170704 A170742 * A114926 A118338 A171328

Adjacent sequences:  A136282 A136283 A136284 * A136286 A136287 A136288

KEYWORD

nonn

AUTHOR

D. E. Knuth, Mar 31 2008

EXTENSIONS

More terms from Alois P. Heinz (heinz(AT)hs-heilbronn.de), Sep 12 2008

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 17 10:05 EST 2012. Contains 206009 sequences.