Irregular triangular array read by rows: T(n,k) is the number of periodic functions on [n] that have order k, n>=0, 1<=k<=A000793(n).

A392061

Irregular triangular array read by rows: T(n,k) is the number of periodic functions on [n] that have order k, n>=0, 1<=k<=A000793(n).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =1a(4) =10a(5) =9a(6) =2a(7) =41a(8) =69a(9) =32a(10) =6a(11) =196a(12) =555a(13) =360a(14) =150a(15) =24a(16) =20a(17) =1057a(18) =4845a(19) =3680a(20) =2520a(21) =864a(22) =840a(23) =6322a(24) =45843a(25) =37800a(26) =37590a(27) =19152a(28) =22050a(29) =720

External references