Triangle read by rows, k!*2^k*S_2(n, k) where S_m(n, k) are the Stirling-Frobenius subset numbers of order m; n >= 0, k >= 0.
A225476
Triangle read by rows, k!*2^k*S_2(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) =1a(2) =1a(3) =1a(4) =4a(5) =2a(6) =1a(7) =13a(8) =18a(9) =6a(10) =1a(11) =40a(12) =116a(13) =96a(14) =24a(15) =1a(16) =121a(17) =660a(18) =1020a(19) =600a(20) =120a(21) =1a(22) =364a(23) =3542a(24) =9120a(25) =9480a(26) =4320a(27) =720a(28) =1a(29) =1093
External references
- oeis: A225476