OFFSET
1,1
COMMENTS
Generated from prime(j)# = A002110(j) at j= 1, 2, 6, 115, 152, ... [R. J. Mathar, Jul 10 2009]
a(6) ~ 4.145...*10^2477 corresponds to j = 420. - Amiram Eldar, Jul 18 2019
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..5
MATHEMATICA
Select[Table[(Product[Prime[i], {i, 1, j}])^2 + Product[Prime[i], {i, 1, j}]+1, {j, 1, 10}], PrimeQ]
CROSSREFS
KEYWORD
nonn,bref
AUTHOR
Daniel Tisdale, Jul 03 2009
STATUS
approved