OFFSET
0,3
FORMULA
a(n) = (A055479(n) - 1)/10. - Hugo Pfoertner, Apr 26 2022
PROG
(PARI) a(n) = fromdigits(digits((10^n-1)/9, 9));
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Seiichi Manyama, Apr 26 2022
STATUS
approved