Table T(n,k) by antidiagonals. T(n,k) is the number of primitive (=aperiodic) k-ary words with length less than or equal to n (n,k >= 1).

A143326

Table T(n,k) by antidiagonals. T(n,k) is the number of primitive (=aperiodic) k-ary words with length less than or equal to n (n,k >= 1).

Terms

    a(0) =1a(1) =2a(2) =1a(3) =3a(4) =4a(5) =1a(6) =4a(7) =9a(8) =10a(9) =1a(10) =5a(11) =16a(12) =33a(13) =22a(14) =1a(15) =6a(16) =25a(17) =76a(18) =105a(19) =52a(20) =1a(21) =7a(22) =36a(23) =145a(24) =316a(25) =345a(26) =106a(27) =1a(28) =8a(29) =49

External references