A353148 - OEIS

%I #15 Apr 27 2022 19:49:26

%S 0,1,12,133,1464,16215,178366,2073137,22814518,252060710,2772667811,

%T 31610457022,347715137243,3835866520674,43305642727525,

%U 476363171113776,5351104882252647,58862154814780228,658583714063682520,7355531854711617721,82021851512827806032

%N Decimal repunits written in base 9.

%F a(n) = A007095(A002275(n)).

%F a(n) = (A055479(n) - 1)/10. - _Hugo Pfoertner_, Apr 26 2022

%o (PARI) a(n) = fromdigits(digits((10^n-1)/9, 9));

%Y Cf. A002275, A291962, A353142, A353143, A353144, A353145, A353146, A353147.

%Y Cf. A002452, A007095, A055479.

%K nonn,base,easy

%O 0,3

%A _Seiichi Manyama_, Apr 26 2022