Sum of the sizes of the sixth blocks in all set partitions of {1,2,...,n}.
A270498
Sum of the sizes of the sixth blocks in all set partitions of {1,2,...,n}.
Terms
- a(0) =1a(1) =23a(2) =324a(3) =3645a(4) =36223a(5) =334751a(6) =2965654a(7) =25691104a(8) =220643295a(9) =1897548384a(10) =16463907354a(11) =144927422746
External references
- oeis: A270498