T(n,3), array T as in A050186; a count of aperiodic binary words.

Terms

a(0) =0a(1) =4a(2) =10a(3) =18a(4) =35a(5) =56a(6) =81a(7) =120a(8) =165a(9) =216a(10) =286a(11) =364a(12) =450a(13) =560a(14) =680a(15) =810a(16) =969a(17) =1140a(18) =1323a(19) =1540a(20) =1771a(21) =2016a(22) =2300a(23) =2600a(24) =2916a(25) =3276a(26) =3654a(27) =4050a(28) =4495a(29) =4960