Denominators associated with A094083.

Terms

a(0) =1a(1) =3a(2) =4a(3) =27a(4) =64a(5) =675a(6) =256a(7) =3675a(8) =16384a(9) =297675a(10) =65536a(11) =1440747a(12) =1048576a(13) =27054027a(14) =4194304a(15) =124227675a(16) =1073741824a(17) =35901798075a(18) =4294967296a(19) =160006779075a(20) =68719476736a(22) =274877906944