a(n) = Sum_{k = 0..n} binomial(n,k)^11.A342294a(n) = Sum_{k = 0..n} binomial(n,k)^11.Terms a(0) =1a(1) =2a(2) =2050a(3) =354296a(4) =371185666a(5) =200097656252External referencesoeis: A342294