A022833 a(n) = c(1)p(2)+...+c(n)p(n+1), where c(i) = 1 if a(i-1) >= p(i+1) and c(i) = -1 if a(i-1) < p(i+1) (p(i) = primes).

3, 8, 1, 12, 25, 8, 27, 4, 33, 2, 39, 80, 37, 84, 31, 90, 29, 96, 25, 98, 19, 102, 13, 110, 9, 112, 5, 114, 1, 128, 259, 122, 261, 112, 263, 106, 269, 102, 275, 96, 277, 86, 279, 82, 281, 70, 293, 66, 295, 62, 301, 60, 311, 54, 317, 48, 319, 42, 323, 40