1090597domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (1, p(1), p(2), ...), t = (F(2), F(3), F(4), ...).at n=23A025101Prime numbersat n=85017