Sum of the integer elements in the subsets of the subsets of the integers 1 to n.
A087085
Sum of the integer elements in the subsets of the subsets of the integers 1 to n.
Terms
- a(0) =0a(1) =0a(2) =2a(3) =48a(4) =3072a(5) =2621440a(6) =515396075520
External references
- oeis: A087085