192233domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(1) = 1; a(n+1) is the least prime of the form (2^k)*a(n)+-1, for some positive k.at n=9A084361Numbers that are the sum of nine fifth powers in four or more ways.at n=5A345621Numbers that are the sum of nine fifth powers in exactly four ways.at n=5A346339Prime numbersat n=17347