Numbers n such that the number formed by the digits of 2n sorted in descending order is equal to the sum of the divisors of n after the digits of each divisor have been sorted in descending order (all zeros dropped).
A083389
Numbers n such that the number formed by the digits of 2n sorted in descending order is equal to the sum of the divisors of n after the digits of each divisor have been sorted in descending order (all zeros dropped).
Terms
- a(0) =37a(1) =163a(2) =397a(3) =4789a(4) =16633a(5) =19603a(6) =19963a(7) =31663a(8) =48799a(9) =49789a(10) =166303a(11) =169633a(12) =196003a(13) =199603a(14) =478999a(15) =489799a(16) =497899a(17) =497989a(18) =499879a(19) =1696033a(20) =1966303a(21) =1969633a(22) =1999603a(23) =3016963a(24) =3019663a(25) =3169603a(26) =3169963a(27) =4789999a(28) =4798999
External references
- oeis: A083389