a(n) = Sum_{k=0..n} binomial(n, k)*|S1(n, k)|.
A211210
a(n) = Sum_{k=0..n} binomial(n, k)*|S1(n, k)|.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =16a(4) =115a(5) =1021a(6) =10696a(7) =128472a(8) =1734447a(9) =25937683a(10) =424852351a(11) =7554471156a(12) =144767131444
External references
- oeis: A211210