a(n) = (12*n + 9)^6.A017634a(n) = (12*n + 9)^6.Terms a(0) =531441a(1) =85766121a(2) =1291467969a(3) =8303765625a(4) =34296447249a(5) =107918163081a(6) =282429536481a(7) =646990183449External referencesoeis: A017634