a(0) = 1 and a(1) = 2, then each subsequent term is obtained by multiplying the two previous terms and then deleting repeated digits, keeping only the first occurrence of each digit.
A392141
a(0) = 1 and a(1) = 2, then each subsequent term is obtained by multiplying the two previous terms and then deleting repeated digits, keeping only the first occurrence of each digit.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =4a(4) =8a(5) =32a(6) =256a(7) =8192a(8) =209715a(9) =1798520a(10) =3716280a(11) =683095a(12) =2538760a(13) =1734260a(14) =40286917a(15) =6987420a(16) =28150694a(17) =19670248a(18) =53712a(19) =10562837a(20) =56731094a(21) =592418736a(22) =3608529714a(23) =2137609854a(24) =713628509a(25) =152493768a(26) =1082396a(27) =1650842a(28) =1786432a(29) =2941675
External references
- oeis: A392141