Numbers k such that sigma(reverse(k)) = sigma(reverse(k-1)) + sigma(reverse(k-2)).

Terms

a(0) =3a(1) =4a(2) =352a(3) =525a(4) =532a(5) =564a(6) =572a(7) =782a(8) =3783a(9) =5242a(10) =5762a(11) =5784a(12) =7852a(13) =7884a(14) =31732a(15) =38817a(16) =41736a(17) =46194a(18) =52942a(19) =57842a(20) =61146a(21) =63075a(22) =67266a(23) =68853a(24) =95418a(25) =196313a(26) =403194a(27) =424292a(28) =436642a(29) =444382