|
|
A101405
|
|
a(n) = n^(pi(n-1)).
|
|
1
|
|
|
1, 1, 3, 16, 25, 216, 343, 4096, 6561, 10000, 14641, 248832, 371293, 7529536, 11390625, 16777216, 24137569, 612220032, 893871739, 25600000000, 37822859361, 54875873536, 78310985281, 2641807540224, 3814697265625, 5429503678976
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,3
|
|
COMMENTS
|
pi(n) (A000720) is the number of prime numbers less than or equal to n.
|
|
LINKS
|
|
|
EXAMPLE
|
a(5)=25 because a(5)= 5^(pi(4))= 5^2= 25
If n=10, m=4, so 10^4 = 10000.
|
|
MATHEMATICA
|
Table[n^PrimePi[n - 1], {n, 30}]
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|