Numbers k such that the digits of sigma(k) are a permutation of those of k, in base 10.

A115920

Numbers k such that the digits of sigma(k) are a permutation of those of k, in base 10.

Terms

    a(0) =1a(1) =69a(2) =258a(3) =270a(4) =276a(5) =609a(6) =639a(7) =2391a(8) =2556a(9) =2931a(10) =3409a(11) =3678a(12) =3679a(13) =4291a(14) =5092a(15) =6937a(16) =8251a(17) =10231a(18) =12087a(19) =12931a(20) =15480a(21) =16387a(22) =20850a(23) =22644a(24) =22893a(25) =24369a(26) =26145a(27) =26442a(28) =27846a(29) =28764

External references