|
|
A024119
|
|
a(n) = 10^n - n^5.
|
|
2
|
|
|
1, 9, 68, 757, 8976, 96875, 992224, 9983193, 99967232, 999940951, 9999900000, 99999838949, 999999751168, 9999999628707, 99999999462176, 999999999240625, 9999999998951424, 99999999998580143, 999999999998110432
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
LINKS
|
|
|
FORMULA
|
G.f.: ( -1 + 7*x + x^2 - 174*x^3 - 649*x^4 - 253*x^5 - 11*x^6 ) / ( (10*x-1)*(x-1)^6 ). - R. J. Mathar, Jun 30 2011
|
|
MATHEMATICA
|
Table[10^n-n^5, {n, 0, 20}] (* or *) LinearRecurrence[ {16, -75, 170, -215, 156, -61, 10}, {1, 9, 68, 757, 8976, 96875, 992224}, 20] (* Harvey P. Dale, Oct 08 2012 *)
|
|
PROG
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|