Sum of entries in all the arrangements of the set {1,2,...,n} (to n=0 there corresponds the empty set).

A134432

Sum of entries in all the arrangements of the set {1,2,...,n} (to n=0 there corresponds the empty set).

Terms

    a(0) =0a(1) =1a(2) =9a(3) =66a(4) =490a(5) =3915a(6) =34251a(7) =328804a(8) =3452436a(9) =39456405a(10) =488273005a(11) =6510306726a(12) =93097386174

External references