a(n) = A001969(n)^A178253(n).

Terms

a(0) =81a(1) =25a(2) =1296a(3) =81a(4) =100a(5) =20736a(6) =50625a(7) =289a(8) =324a(9) =400a(10) =529a(11) =331776a(12) =14348907a(13) =841a(14) =810000a(15) =1089a(16) =1156a(17) =1296a(18) =1521a(19) =1600a(20) =1849a(21) =91125a(22) =2116a(23) =5308416a(24) =2601a(25) =7890481a(26) =459165024a(27) =601692057a(28) =3364a(29) =12960000