Coefficient of x^2 in expansion of n!* Sum_{k=0..n} binomial(x,k).
A348063
Coefficient of x^2 in expansion of n!* Sum_{k=0..n} binomial(x,k).
Terms
- a(0) =1a(1) =0a(2) =11a(3) =5a(4) =304a(5) =364a(6) =15980a(7) =34236a(8) =1368936a(9) =4429656a(10) =173699712a(11) =771653376a(12) =30605906304a(13) =175622947200
External references
- oeis: A348063