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A021817
Decimal expansion of 1/813.
0
0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3, 0, 0, 1, 2, 3
OFFSET
0,4
COMMENTS
Period 5: repeat [0, 0, 1, 2, 3]. - Nicolas Bělohoubek, Dec 02 2024
FORMULA
From Nicolas Bělohoubek, Dec 02 2024: (Start)
a(n) = ((n-1) mod 5) mod 4.
a(n) = (a(n-1)-1/2)*(a(n-2)-2)*(a(n-3)-2) for n > 2.
a(n) = 6 - Sum_{k=1..4} a(n-k) for n > 3.
a(n) = a(n-5) for n > 4. (End)
Equals A021275/3. - Hugo Pfoertner, Dec 10 2024
EXAMPLE
0.001230012300123001230012300123... .
CROSSREFS
Cf. A021275.
Sequence in context: A218757 A261430 A024466 * A167613 A319753 A078332
KEYWORD
nonn,cons
STATUS
approved