Product of digits of 2^n.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =6a(5) =6a(6) =24a(7) =16a(8) =60a(9) =10a(10) =0a(11) =0a(12) =0a(13) =144a(14) =576a(15) =2016a(16) =2700a(17) =0a(18) =384a(19) =5120a(20) =0a(21) =0a(22) =0a(23) =0a(24) =24696a(25) =21600a(26) =0a(27) =18816a(28) =691200a(29) =0