Numbers k such that k-th and (k+1)-st term of A038593 differ by 9.

Terms

a(0) =49a(1) =62a(2) =85a(3) =134a(4) =153a(5) =161a(6) =177a(7) =185a(8) =338a(9) =388a(10) =423a(11) =433a(12) =434a(13) =442a(14) =443a(15) =473a(16) =482a(17) =493a(18) =523a(19) =543a(20) =579a(21) =657a(22) =685a(23) =792a(24) =801a(25) =871a(26) =875a(27) =949a(28) =1001a(29) =1014