Numbers whose base-15 representation has exactly 4 runs.

Terms

a(0) =3390a(1) =3392a(2) =3393a(3) =3394a(4) =3395a(5) =3396a(6) =3397a(7) =3398a(8) =3399a(9) =3400a(10) =3401a(11) =3402a(12) =3403a(13) =3404a(14) =3405a(15) =3406a(16) =3408a(17) =3409a(18) =3410a(19) =3411a(20) =3412a(21) =3413a(22) =3414a(23) =3415a(24) =3416a(25) =3417a(26) =3418a(27) =3419a(28) =3420a(29) =3421