a(n) = (12*n + 7)^6.A017610a(n) = (12*n + 7)^6.Terms a(0) =117649a(1) =47045881a(2) =887503681a(3) =6321363049a(4) =27680640625a(5) =90458382169a(6) =243087455521a(7) =567869252041External referencesoeis: A017610