|
Search: id:A130615
|
|
|
| A130615 |
|
Sum of the first 10^n 4th powers. |
|
+0
1
|
|
| 1, 25333, 2050333330, 200500333333300, 20005000333333333000, 2000050000333333333330000, 200000500000333333333333300000, 20000005000000333333333333333000000
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
FORMULA
|
Sum of the first m fourth powers = m(m+1)(2m+1)(3m^2+3m-1)/30.
|
|
PROGRAM
|
(PARI) sumquartic(n) = { for(x=0, n, m=10^x; z=m*(m+1)*(2*m+1)*(3*m^2+3*m-1)/30; (print1(z", "))) }
|
|
CROSSREFS
|
Sequence in context: A125268 A076583 A046709 this_sequence A124997 A031837 A023350
Adjacent sequences: A130612 A130613 A130614 this_sequence A130616 A130617 A130618
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Cino Hilliard (hillcino368(AT)hotmail.com), Jun 18 2007
|
|
|
Search completed in 0.002 seconds
|
