OFFSET
1,1
COMMENTS
LINKS
Robert Israel, Table of n, a(n) for n = 1..3000
EXAMPLE
a(3) = 6694673 = A354543(74) is prime.
MAPLE
P1:= select(isprime, [seq(i, i=1..30000, 6)]):
P5:= select(isprime, [seq(i, i=5..30000, 6)]):
select(isprime, [seq(add(P1[i]*P5[n-i], i=1..n-1), n=2..min(nops(P1), nops(P5))+1, 2)]);
CROSSREFS
KEYWORD
nonn
AUTHOR
J. M. Bergot and Robert Israel, Aug 17 2022
STATUS
approved