a(n) = Product_{k=0..n} (1 + binomial(n,k)).

A129824

a(n) = Product_{k=0..n} (1 + binomial(n,k)).

Terms

    a(0) =2a(1) =4a(2) =12a(3) =64a(4) =700a(5) =17424a(6) =1053696a(7) =160579584a(8) =62856336636

External references