Numbers k such that d(k) = d(k+1) = 12.

Terms

a(0) =735a(1) =819a(2) =1035a(3) =1196a(4) =1274a(5) =1275a(6) =1449a(7) =1665a(8) =1924a(9) =1925a(10) =1952a(11) =1988a(12) =2324a(13) =2331a(14) =2540a(15) =2655a(16) =3068a(17) =3195a(18) =3267a(19) =3324a(20) =3339a(21) =3549a(22) =3555a(23) =3626a(24) =3717a(25) =4164a(26) =4220a(27) =4235a(28) =4556a(29) =4563