Beginning with 2, a(n+1) is the least prime == -1 (mod (Sum a(i), i=1 to n)).

A090476

Beginning with 2, a(n+1) is the least prime == -1 (mod (Sum a(i), i=1 to n)).

Terms

    a(0) =2a(1) =3a(2) =19a(3) =23a(4) =281a(5) =983a(6) =2621a(7) =3931a(8) =62903a(9) =212297a(10) =1698377a(11) =7925759a(12) =99071989a(13) =435916751a(14) =5448959389a(15) =17981565983

External references