|
|
A087358
|
|
a(n+1) is the smallest prime > a(n) such that a(n+1) - a(n) == 0 (mod n^n).
|
|
1
|
|
|
2, 3, 7, 61, 317, 31567, 218191, 34806997, 101915861, 3201279773, 143201279773, 13838161469101, 85166965055149, 3113918030977679, 36449938507651727, 6166964403839682977, 264421381435773405601, 36662992904434591029389, 430127073657399966783629, 24171162941581163036271377
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
EXAMPLE
|
a(4)-a(3) = 61-7 = 54 == 0 (mod 3^3).
|
|
MAPLE
|
A[1]:= 2: A[2]:= 3:
for n from 2 to 25 do
if n::odd then d:= 2*n^n else d:= n^n fi;
for v from A[n] + d by d do
if isprime(v) then A[n+1]:= v; break fi
od od:
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|