|
|
A322945
|
|
Numbers k such that 307*2^k+1 is prime.
|
|
0
|
|
|
2, 8, 16, 26, 34, 112, 182, 226, 304, 782, 6886, 36422, 647786, 1289306, 2862962
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
MATHEMATICA
|
Select[Range[1000], PrimeQ[307*2^# + 1] &] (* Robert Price, Dec 31 2018 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,more,hard
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|