a(n) = Sum_{k = 0..n} C(n,k)^10.A182447a(n) = Sum_{k = 0..n} C(n,k)^10.Terms a(0) =1a(1) =2a(2) =1026a(3) =118100a(4) =62563330a(5) =20019531252External referencesoeis: A182447