|
| |
|
|
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
|
| |
|
|
