Product of all distinct numbers formed by permuting digits of n.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =10a(10) =11a(11) =252a(12) =403a(13) =574a(14) =765a(15) =976a(16) =1207a(17) =1458a(18) =1729a(19) =40a(20) =252a(21) =22a(22) =736a(23) =1008a(24) =1300a(25) =1612a(26) =1944a(27) =2296a(28) =2668a(29) =90