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A353148
Decimal repunits written in base 9.
6
0, 1, 12, 133, 1464, 16215, 178366, 2073137, 22814518, 252060710, 2772667811, 31610457022, 347715137243, 3835866520674, 43305642727525, 476363171113776, 5351104882252647, 58862154814780228, 658583714063682520, 7355531854711617721, 82021851512827806032
OFFSET
0,3
FORMULA
a(n) = A007095(A002275(n)).
a(n) = (A055479(n) - 1)/10. - Hugo Pfoertner, Apr 26 2022
PROG
(PARI) a(n) = fromdigits(digits((10^n-1)/9, 9));
KEYWORD
nonn,base,easy
AUTHOR
Seiichi Manyama, Apr 26 2022
STATUS
approved