|
|
A086865
|
|
Numbers n such that 2*10^n+11 is prime.
|
|
1
|
|
|
0, 1, 2, 3, 4, 9, 19, 25, 39, 63, 133, 157, 274, 943, 1009, 1353, 7297, 16221, 25256, 30424, 52147
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,3
|
|
COMMENTS
|
|
|
LINKS
|
|
|
MATHEMATICA
|
Do[ If[ PrimeQ[2*10^n + 11], Print[n]], {n, 0, 4800}]
|
|
PROG
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
hard,more,nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|