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!)
A038783 An intermediate sequence for nonisomorphic circulant undirected p^2-graphs, indexed by odd primes p. 1
4, 10, 24, 208, 700, 8230, 29144, 381304, 19175140, 71582944, 3817763740, 54975633976, 209430787824, 3059510616424, 173215372864600, 9938978487990064, 38430716856090160, 2235968978631715024, 33731189163354610720, 131176846748288854980, 7749524484709164817824 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..21.

M. Klin, V. A. Liskovets and R. Poeschel, Analytical enumeration of circulant graphs with prime-squared vertices, Sem. Lotharingien de Combin., B36d, 1996, 36 pages.

FORMULA

a(n) = A038782(n) - A038781(n) + A038784(n).

CROSSREFS

Cf. A038781.

Sequence in context: A001868 A217696 A223014 * A127070 A107961 A051864

Adjacent sequences:  A038780 A038781 A038782 * A038784 A038785 A038786

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, May 04 2000

EXTENSIONS

More terms from Valery A. Liskovets, May 09 2001

More terms and offset corrected by Sean A. Irvine, Feb 14 2021

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 July 3 10:25 EDT 2022. Contains 355050 sequences. (Running on oeis4.)