Base-10 complementary numbers: n equals the product of the 10's complement of its digits.

Terms

a(0) =5a(1) =18a(2) =35a(3) =50a(4) =180a(5) =315a(6) =350a(7) =500a(8) =1800a(9) =3150a(10) =3500a(11) =5000a(12) =18000a(13) =31500a(14) =35000a(15) =50000a(16) =180000a(17) =315000a(18) =350000a(19) =500000a(20) =1800000a(21) =3150000a(22) =3500000a(23) =5000000a(24) =18000000a(25) =31500000a(26) =35000000a(27) =50000000a(28) =180000000a(29) =315000000