2367329domain: NPropertiesPrimalityPrimeyesAppears in sequencesSolution of the complementary equation a(n) = a(n-1) + a(n-2) + 2*b(n-1) - b(n-2) - 2, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4.at n=27A294426Prime numbersat n=174068