login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A119638 Related to number of reachable pairs in a digraph (see Rao article for details). 1
0, 1, 4, 6, 12, 20, 24, 35, 48, 63, 80, 88, 108, 130, 154, 180, 192, 221, 252, 285, 320, 357, 396, 414, 456, 500, 546, 594, 644, 696, 720, 775, 832, 891, 952, 1015, 1080, 1147, 1178, 1248, 1320, 1394, 1470, 1548, 1628, 1710, 1794, 1833, 1920 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
A. R. Rao, The number of reachable pairs in a digraph, Discr. Math., 306 (2006), 1595-1600.
CROSSREFS
Sequence in context: A336552 A160856 A019445 * A178547 A168674 A110935
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 27 2006
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 2 21:08 EST 2024. Contains 370498 sequences. (Running on oeis4.)