Numbers generated by recursive procedure a(n) = nozero(a(n-1) * 3), in which the function nozero(x) removes all zeros from x, starting with a(1) = 1.

A243845

Numbers generated by recursive procedure a(n) = nozero(a(n-1) * 3), in which the function nozero(x) removes all zeros from x, starting with a(1) = 1.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =27a(4) =81a(5) =243a(6) =729a(7) =2187a(8) =6561a(9) =19683a(10) =5949a(11) =17847a(12) =53541a(13) =16623a(14) =49869a(15) =14967a(16) =4491a(17) =13473a(18) =4419a(19) =13257a(20) =39771a(21) =119313a(22) =357939a(23) =173817a(24) =521451a(25) =1564353a(26) =469359a(27) =14877a(28) =44631a(29) =133893

External references