410063domain: NPropertiesPrimalityPrimeyesAppears in sequencesSubrecords in A048673: maximum value between two consecutive records in A048673.at n=21A247284a(n) is the least prime of the form (3^j*5^k + 1)/2, j > 0, k > 0, j + k = n. a(n) = 0 if no such prime exists.at n=9A337425Prime numbersat n=34617