Sum of multinomials M(n; lambda), where lambda ranges over all partitions of n into parts incorporating 1.

A327827

Sum of multinomials M(n; lambda), where lambda ranges over all partitions of n into parts incorporating 1.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =9a(4) =40a(5) =235a(6) =1476a(7) =11214a(8) =91848a(9) =859527a(10) =8710300a(11) =97675138a(12) =1179954612a(13) =15490520786a(14) =217602374458

External references