Stirling numbers of second kind: 9th column of Stirling2 triangle A008277.

A049447

Stirling numbers of second kind: 9th column of Stirling2 triangle A008277.

Terms

    a(0) =1a(1) =45a(2) =1155a(3) =22275a(4) =359502a(5) =5135130a(6) =67128490a(7) =820784250a(8) =9528822303a(9) =106175395755

External references