|
| |
|
|
A016851
|
|
a(n) = (5*n)^3.
|
|
2
|
|
|
|
0, 125, 1000, 3375, 8000, 15625, 27000, 42875, 64000, 91125, 125000, 166375, 216000, 274625, 343000, 421875, 512000, 614125, 729000, 857375, 1000000, 1157625, 1331000, 1520875, 1728000, 1953125, 2197000, 2460375, 2744000, 3048625, 3375000, 3723875, 4096000
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,2
|
|
|
LINKS
|
|
|
|
FORMULA
|
a(0)=0, a(1)=125, a(2)=1000, a(3)=3375, a(n)=4*a(n-1)-6*a(n-2)+ 4*a(n-3)- a(n-4). - Harvey P. Dale, Jun 18 2011
|
|
|
MATHEMATICA
|
(5Range[0, 30])^3 (* or *) LinearRecurrence[{4, -6, 4, -1}, {0, 125, 1000, 3375}, 30] (* Harvey P. Dale, Jun 18 2011 *)
|
|
|
PROG
|
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn,easy
|
|
|
AUTHOR
|
|
|
|
EXTENSIONS
|
|
|
|
STATUS
|
approved
|
| |
|
|
