|
|
A035763
|
|
Coordination sequence for C_26 lattice.
|
|
1
|
|
|
1, 1352, 305552, 27866072, 1381251872, 43450388072, 955155127472, 15676069223672, 201600442152512, 2108023030802312, 18450678628904912, 138377129954866712, 906470174221250912, 5269738713907663016, 27553145660154405616, 131043312279329242936, 572425326844812029056
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
LINKS
|
J. H. Conway and N. J. A. Sloane, Low-Dimensional Lattices VII: Coordination Sequences, Proc. Royal Soc. London, A453 (1997), 2369-2389 (pdf).
|
|
FORMULA
|
a(n) = [x^(2n)] ((1+x)/(1-x))^26.
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
Joan Serra-Sagrista (jserra(AT)ccd.uab.es)
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|