Triangle read by rows: T(n,k) = number of preferential arrangements of n things where the first object has rank k.

A090665

Triangle read by rows: T(n,k) = number of preferential arrangements of n things where the first object has rank k.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =6a(4) =5a(5) =2a(6) =26a(7) =25a(8) =18a(9) =6a(10) =150a(11) =149a(12) =134a(13) =84a(14) =24a(15) =1082a(16) =1081a(17) =1050a(18) =870a(19) =480a(20) =120a(21) =9366a(22) =9365a(23) =9302a(24) =8700a(25) =6600a(26) =3240a(27) =720a(28) =94586a(29) =94585

External references