a(n) = (12*n + 6)^6.A017598a(n) = (12*n + 6)^6.Terms a(0) =46656a(1) =34012224a(2) =729000000a(3) =5489031744a(4) =24794911296a(5) =82653950016a(6) =225199600704a(7) =531441000000External referencesoeis: A017598