a(n) = 6^n * n^6.A198403a(n) = 6^n * n^6.Terms a(0) =0a(1) =6a(2) =2304a(3) =157464a(4) =5308416a(5) =121500000a(6) =2176782336a(7) =32934190464a(8) =440301256704External referencesoeis: A198403