A050084 a(n)=[ a(n-1)/3 ] if this is not among 0,a(1),...,a(n-2), else a(n)=5*a(n-1).

1, 5, 25, 8, 2, 10, 3, 15, 75, 375, 125, 41, 13, 4, 20, 6, 30, 150, 50, 16, 80, 26, 130, 43, 14, 70, 23, 7, 35, 11, 55, 18, 90, 450, 2250, 750, 250, 83, 27, 9, 45, 225, 1125, 5625, 1875, 625, 208, 69, 345, 115, 38, 12, 60, 300, 100, 33