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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A003304 Number of figure 8's with 2n edges on the square lattice.
(Formerly M1850)
3

%I M1850

%S 2,8,32,144,708,3696,20296,115624,676828,4044744,24565432

%N Number of figure 8's with 2n edges on the square lattice.

%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

%D S. G. Whittington and J. P. Valleau, Figure eights on the square lattice: enumeration and Monte Carlo estimation, J. Phys. A 3 (1970), 21-27.

%H Sean A. Irvine, <a href="/A003304/a003304.pdf">Illustration of initial terms</a>

%K nonn

%O 2,1

%A _N. J. A. Sloane_.

%E a(9)-a(12) from _Sean A. Irvine_, Mar 20 2017

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 17 17:24 EDT 2019. Contains 326059 sequences. (Running on oeis4.)