Numbers k such that (k / sum of digits of k) and (k+1 / sum of digits of k+1) are both prime.

Terms

a(0) =152a(1) =803a(2) =1016a(3) =1853a(4) =3031a(5) =3032a(6) =3438a(7) =7361a(8) =7542a(9) =7587a(10) =8226a(11) =8337a(12) =10095a(13) =10278a(14) =10307a(15) =11354a(16) =11646a(17) =13116a(18) =13117a(19) =13881a(20) =17153a(21) =21434a(22) =21906a(23) =23412a(24) =26221a(25) =28824a(26) =30254a(27) =31112a(28) =32166a(29) =34218