Numbers each of whose runs of digits in base 12 has length 2.

Terms

a(0) =13a(1) =26a(2) =39a(3) =52a(4) =65a(5) =78a(6) =91a(7) =104a(8) =117a(9) =130a(10) =143a(11) =1872a(12) =1898a(13) =1911a(14) =1924a(15) =1937a(16) =1950a(17) =1963a(18) =1976a(19) =1989a(20) =2002a(21) =2015a(22) =3744a(23) =3757a(24) =3783a(25) =3796a(26) =3809a(27) =3822a(28) =3835a(29) =3848