T(n,5), array T as in A050186; a count of aperiodic binary words.

Terms

a(0) =0a(1) =6a(2) =21a(3) =56a(4) =126a(5) =250a(6) =462a(7) =792a(8) =1287a(9) =2002a(10) =3000a(11) =4368a(12) =6188a(13) =8568a(14) =11628a(15) =15500a(16) =20349a(17) =26334a(18) =33649a(19) =42504a(20) =53125a(21) =65780a(22) =80730a(23) =98280a(24) =118755a(25) =142500a(26) =169911a(27) =201376a(28) =237336a(29) =278256