Numbers k that divide the sum of digits of 13^k.

Terms

a(0) =1a(1) =2a(2) =5a(3) =140a(4) =158a(5) =428a(6) =788a(7) =887a(8) =914a(9) =1814a(10) =1895a(11) =1976a(12) =2579a(13) =2732a(14) =3074a(15) =3299a(16) =3641a(17) =4658a(18) =4874a(19) =5378a(20) =5423a(21) =5504a(22) =6170a(23) =6440a(24) =6944a(25) =8060a(26) =8249a(27) =8915a(28) =9041a(29) =9158