43545743domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = the minimum prime S possible, if S = product of b(k)'s + product of c(k)'s, where the distinct positive integers <= n are partitioned into the two sets {b(k)} and {c(k)}. a(n) = 0 if no prime S exists for that n.at n=13A127166Prime numbersat n=2635619