a(n) is the number of ordered partitions of {1,1,2,3,...,n-1}.
A172109
a(n) is the number of ordered partitions of {1,1,2,3,...,n-1}.
Terms
- a(0) =0a(1) =2a(2) =8a(3) =44a(4) =308a(5) =2612a(6) =25988a(7) =296564a(8) =3816548a(9) =54667412a(10) =862440068a(11) =14857100084a(12) =277474957988
External references
- oeis: A172109