|
|
A111022
|
|
Integers n such that 8*10^n+21 is prime.
|
|
0
|
|
|
0, 1, 2, 4, 10, 40, 55, 162, 264, 506, 870, 948, 1339, 3587, 6428, 48490, 81487
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,3
|
|
COMMENTS
|
See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable or proved primes - search on "80021".
|
|
LINKS
|
|
|
EXAMPLE
|
n = 4 is a member because: 8*10^4+21 = 8*10000+21 = 80000+21 = 80021, which is prime.
|
|
CROSSREFS
|
|
|
KEYWORD
|
more,nonn
|
|
AUTHOR
|
Julien Peter Benney (jpbenney(AT)ftml.net), Oct 04 2005
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|