a(n) = the least k such that the mixed binary-ternary representation of k has n terms. See Comments.

A336006

a(n) = the least k such that the mixed binary-ternary representation of k has n terms. See Comments.

Terms

    a(0) =1a(1) =5a(2) =14a(3) =46a(4) =127a(5) =383a(6) =1407a(7) =3594a(8) =11786a(9) =31469a(10) =97005a(11) =451299a(12) =982740a(13) =3079892a(14) =7862861a(15) =24640077a(16) =110733519a(17) =244951247a(18) =1019792225a(19) =3344315159a(20) =13804668362a(21) =48164406730a(22) =185603360202a(23) =468032896683

External references