125524238432domain: NAppears in sequencesa(1)=32 and, for n > 1, a(n) = 9*a(n-1) + 32.at n=10A173952a(n) = 4*(3^n-1).at n=22A302507Numbers k for which k/w = 3/4, where w is the number of numbers in the range {1..k} containing at least one decimal digit 1.at n=13A378719