|
|
A173245
|
|
O.g.f. (x + 1)^10/ (sum_{i=0..10} x^i) .
|
|
1
|
|
|
1, 9, 35, 75, 90, 42, -42, -90, -75, -35, -9, 0, 9, 35, 75, 90, 42, -42, -90, -75, -35, -9, 0, 9, 35, 75, 90, 42, -42, -90, -75, -35, -9, 0, 9, 35, 75, 90, 42, -42, -90, -75, -35, -9, 0, 9, 35, 75, 90, 42, -42
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
COMMENTS
|
Periodic with period length 11.
|
|
LINKS
|
Index entries for linear recurrences with constant coefficients, signature (-1, -1, -1, -1, -1, -1, -1, -1, -1, -1).
|
|
FORMULA
|
G.f. (1-x^2)*(1+x)^9/(1-x^11), not completely reduced.
|
|
MATHEMATICA
|
p[x_] = (x + 1)^10/Sum[x^i, {i, 0, 10}];
a = Table[SeriesCoefficient[ Series[p[x], {x, 0, 50}], n], {n, 0, 50}]
|
|
CROSSREFS
|
|
|
KEYWORD
|
sign,easy,less
|
|
AUTHOR
|
|
|
EXTENSIONS
|
Dummy variables removed by the Assoc. Editors of the OEIS, Mar 10 2010.
|
|
STATUS
|
approved
|
|
|
|