Numbers k such that 2^k + 1 is divisible by the sum of its decimal digits.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =9a(5) =98a(6) =135a(7) =200a(8) =665a(9) =1782a(10) =4230a(11) =4521a(12) =6815a(13) =17010a(14) =19635a(15) =30338a(16) =31365a(17) =35427a(18) =49555a(19) =96619a(20) =102897a(21) =157850a(22) =193734a(23) =273050a(24) =393225a(25) =449217a(26) =477333a(27) =483310a(28) =493350a(29) =534465