Sum of distinct primes dividing n! + 1.

Terms

a(0) =2a(1) =3a(2) =7a(3) =5a(4) =11a(5) =110a(6) =71a(7) =722a(8) =359a(9) =329902a(10) =39916801a(11) =2834342a(12) =75024430a(13) =3790360510a(14) =46271879a(15) =1059865a(16) =1538931a(17) =123611150a(19) =117897322430