Third row of array in A101385.

Terms

a(0) =21a(1) =144a(2) =987a(3) =1008a(4) =6765a(5) =6786a(6) =6909a(7) =46368a(8) =46389a(9) =46512a(10) =47355a(11) =47376a(12) =317811a(13) =317832a(14) =317955a(15) =318798a(16) =318819a(17) =324576a(18) =324597a(19) =324720a(20) =2178309a(21) =2178330a(22) =2178453a(23) =2179296a(24) =2179317a(25) =2185074a(26) =2185095a(27) =2185218a(28) =2224677a(29) =2224698