Triangle read by rows, k!*s_2(n, k) where s_m(n, k) are the Stirling-Frobenius cycle numbers of order m; n >= 0, k >= 0.

A225475

Triangle read by rows, k!*s_2(n, k) where s_m(n, k) are the Stirling-Frobenius cycle numbers of order m; n >= 0, k >= 0.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =4a(5) =2a(6) =15a(7) =23a(8) =18a(9) =6a(10) =105a(11) =176a(12) =172a(13) =96a(14) =24a(15) =945a(16) =1689a(17) =1900a(18) =1380a(19) =600a(20) =120a(21) =10395a(22) =19524a(23) =24278a(24) =20880a(25) =12120a(26) =4320a(27) =720a(28) =135135a(29) =264207

External references