Triangle read by rows, k!*S_4(n, k) where S_m(n, k) are the Stirling-Frobenius subset numbers of order m; n >= 0, k >= 0.

A225473

Triangle read by rows, k!*S_4(n, k) where S_m(n, k) are the Stirling-Frobenius subset numbers of order m; n >= 0, k >= 0.

Terms

    a(0) =1a(1) =3a(2) =4a(3) =9a(4) =40a(5) =32a(6) =27a(7) =316a(8) =672a(9) =384a(10) =81a(11) =2320a(12) =9920a(13) =13824a(14) =6144a(15) =243a(16) =16564a(17) =127680a(18) =326400a(19) =337920a(20) =122880a(21) =729a(22) =116920a(23) =1536992a(24) =6428160a(25) =11642880a(26) =9584640a(27) =2949120a(28) =2187a(29) =821356

External references