Numbers of multiplicative persistence 4 which are themselves the product of digits of a number.

Terms

a(0) =378a(1) =384a(2) =686a(3) =768a(4) =1575a(5) =1764a(6) =2646a(7) =4374a(8) =6144a(9) =6174a(10) =6272a(11) =7168a(12) =8232a(13) =8748a(14) =16128a(15) =21168a(16) =23328a(17) =27216a(18) =28672a(19) =32928a(20) =34992a(21) =49392a(22) =59535a(23) =67228a(24) =77175a(25) =96768a(26) =112896a(27) =139968a(28) =148176a(29) =163296