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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A057787 Number of polyarcs with n cells. 0
2, 7, 22, 93, 364, 1734, 8246, 41043, 206602 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Brendan Owen (bdowen(AT)ee.mu.oz.au), Tetrarcs and Pentarcs

CROSSREFS

Sequence in context: A150331 A150332 A150333 * A004300 A049369 A153523

Adjacent sequences:  A057784 A057785 A057786 * A057788 A057789 A057790

KEYWORD

nonn,nice

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Nov 04 2000

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 15 10:52 EST 2012. Contains 205763 sequences.