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A353144
Decimal repunits written in base 5.
6
0, 1, 21, 421, 13421, 323421, 12023421, 241023421, 10321023421, 211421023421, 4233421023421, 140223421023421, 3310023421023421, 121201023421023421, 2424021023421023421, 104030421023421023421, 2131113421023421023421, 43122323421023421023421, 1413002023421023421023421
OFFSET
0,3
FORMULA
a(n) = A007091(A002275(n)).
PROG
(PARI) a(n) = fromdigits(digits((10^n-1)/9, 5));
KEYWORD
nonn,base,easy
AUTHOR
Seiichi Manyama, Apr 26 2022
STATUS
approved