Number of n-digit numbers m such that m and m^10 are zeroless.
A124650
Number of n-digit numbers m such that m and m^10 are zeroless.
Terms
- a(0) =3a(1) =14a(2) =42a(3) =141a(4) =399a(5) =1274a(6) =4123a(7) =12688a(8) =39604a(9) =124987a(10) =392908a(11) =1233059a(12) =3869012
External references
- oeis: A124650