|
|
A107507
|
|
Coordination sequence for D_12 lattice
|
|
0
|
|
|
1, 264, 13488, 278168, 3237984, 25290408, 147204624, 684347448, 2666539200, 9015945800, 27141718896, 74182306776, 186879023392, 439124493288, 971672262864, 2040402823544, 4092008534400, 7879085829000, 14630516376112, 26297796632856, 45903762942432
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
LINKS
|
Index entries for linear recurrences with constant coefficients, signature (12,-66,220,-495,792,-924,792,-495,220,-66,12,-1).
|
|
FORMULA
|
G.f.: (x^12 +252*x^11 +10386*x^10 +133516*x^9 +732591*x^8 +1956216*x^7 +2698108*x^6 +1956216*x^5 +732591*x^4 +133516*x^3 +10386*x^2 +252*x +1) / (x -1)^12. [Colin Barker, Nov 20 2012]
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|