Numbers k that divide 9^k + 5^k.

Terms

a(0) =1a(1) =2a(2) =7a(3) =49a(4) =106a(5) =343a(6) =2401a(7) =5618a(8) =16807a(9) =117649a(10) =297754a(11) =331387a(12) =347221a(13) =823543a(14) =2319709a(15) =2430547a(16) =2588621a(17) =5764801a(18) =15780962a(19) =16237963a(20) =17013829a(21) =18120347a(22) =34591207a(23) =40353607a(24) =107766827a(25) =113665741a(26) =119096803a(27) =126842429a(28) =242138449