Triangle read by rows: T(n,k) = number of endofunctions on a set with n elements, where the maximum indegree is k.

A127119

Triangle read by rows: T(n,k) = number of endofunctions on a set with n elements, where the maximum indegree is k.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =3a(4) =3a(5) =1a(6) =5a(7) =10a(8) =3a(9) =1a(10) =7a(11) =24a(12) =12a(13) =3a(14) =1a(15) =11a(16) =64a(17) =39a(18) =12a(19) =3a(20) =1a(21) =15a(22) =149a(23) =122a(24) =41a(25) =12a(26) =3a(27) =1a(28) =22a(29) =366

External references