|
|
A066612
|
|
Number of primes between n^n and (n+1)^(n+1).
|
|
0
|
|
|
2, 7, 45, 391, 4376, 60864, 1012186, 19622935, 434351705, 10807060863, 298525056829, 9063891473730, 300004447041493, 10750198453038838, 414596707456493479, 17122019740329088733, 753855850836114017867, 35248703133243910547502
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
EXAMPLE
|
a(2) = 7 as there are 7 primes between 2^2 (= 4) and 3^3 (= 27) namely 5, 7, 11, 13, 17, 19, and 23.
|
|
MATHEMATICA
|
|
|
CROSSREFS
|
Equals first differences of A064151.
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|