A353144 Decimal repunits written in base 5.

0, 1, 21, 421, 13421, 323421, 12023421, 241023421, 10321023421, 211421023421, 4233421023421, 140223421023421, 3310023421023421, 121201023421023421, 2424021023421023421, 104030421023421023421, 2131113421023421023421, 43122323421023421023421, 1413002023421023421023421

Offset

0,3

Links

Table of n, a(n) for n=0..18.

Formula

a(n) = A007091(A002275(n)).

Prog

(PARI) a(n) = fromdigits(digits((10^n-1)/9, 5));

Crossrefs

Cf. A002275, A291962, A353142, A353143, A353145, A353146, A353147, A353148.

Cf. A003463, A007091.

Sequence in context: A170702 A170740 A064108 * A067895 A215856 A297692

Adjacent sequences: A353141 A353142 A353143 * A353145 A353146 A353147

Keyword

nonn,base,easy

Author

Seiichi Manyama, Apr 26 2022

Status

approved