A353142 Decimal repunits written in base 3.

0, 1, 102, 11010, 1112011, 120020112, 12122102020, 2002110011021, 202220111120122, 21202002000210100, 2212102202021220101, 1001200100111221000202, 101121210112011021021110, 10221012222020120200202111, 1110100012201102210221120212

Offset: 0

Author

Seiichi Manyama, Apr 26 2022

Keywords

• nonn
• base
• easy

Crossrefs

Cf. A002275, A291962, A353143, A353144, A353145, A353146, A353147, A353148.

Cf. A003462, A007089, A055474.

Programs

PARI

a(n) = fromdigits(digits((10^n-1)/9, 3));

Formula

a(n) = A007089(A002275(n)).

a(n) = (A055474(n) - 1)/100. - Hugo Pfoertner, Apr 26 2022