Total sum of the sizes of all blocks with maximal element 7 in all set partitions of {1,2,...,n}.
A270761
Total sum of the sizes of all blocks with maximal element 7 in all set partitions of {1,2,...,n}.
Terms
- a(0) =2095a(1) =7307a(2) =29278a(3) =131007a(4) =643401a(5) =3426532a(6) =19610565a(7) =119762455a(8) =776018428a(9) =5310053713a(10) =38218929257a(11) =288361428110
External references
- oeis: A270761