|
Search: id:A062440
|
|
|
| A062440 |
|
Sum_{k=1..n}(prime(k)-1)^n. |
|
+0
1
|
|
| 1, 5, 73, 1569, 108833, 4036801, 314563713, 15846654977, 1480518105601, 327498647221249, 26675231740370945, 5516343830694027265, 864423963230785470465, 86799898084959301255169
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
LINKS
|
Harry J. Smith, Table of n, a(n) for n=1,...,100
|
|
EXAMPLE
|
a(4)=1569 because 1^4 + 2^4 + 4^4 + 6^4= 1569.
|
|
PROGRAM
|
(PARI) for(n=1, 23, print(sum(k=1, n, (prime(k)-1)^n)))
(PARI) { for (n=1, 100, write("b062440.txt", n, " ", sum(k=1, n, (prime(k) - 1)^n)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 07 2009]
|
|
CROSSREFS
|
Sequence in context: A159509 A127167 A005259 this_sequence A126748 A048144 A144682
Adjacent sequences: A062437 A062438 A062439 this_sequence A062441 A062442 A062443
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Jason Earls (zevi_35711(AT)yahoo.com), Jul 09 2001
|
|
|
Search completed in 0.002 seconds
|
