OFFSET
1,1
LINKS
Alois P. Heinz, Table of n, a(n) for n = 1..20000
MAPLE
lis:=[]; q:=4;
for i from 1 to 10 do for j from 1 to 2^i-1 do
if isprime(q*2^i+j) then lis:=[op(lis), q*2^i+j]; fi; od: od:
lis;
CROSSREFS
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Sep 19 2015
STATUS
approved