a(n) = (11*n + 4)^5.

Terms

a(0) =1024a(1) =759375a(2) =11881376a(3) =69343957a(4) =254803968a(5) =714924299a(6) =1680700000a(7) =3486784401a(8) =6590815232a(9) =11592740743a(10) =19254145824a(11) =30517578125a(12) =46525874176a(13) =68641485507a(14) =98465804768a(15) =137858491849a(16) =188956800000