A323591 n-th digit after the radix point in the base-3 expansion of 1/n.

0, 1, 0, 2, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 2, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 2, 0, 2, 0, 1, 2, 0, 0, 1, 2, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 0, 2, 0, 1, 0, 0, 0, 1, 0, 0, 2, 1, 0, 0, 0, 1, 0, 0, 0, 2, 2, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 2, 0, 1, 0, 2

Offset

1,4

Links

Antti Karttunen, Table of n, a(n) for n = 1..20000

Wikipedia, Decimal separator (subsection Radix point)

Example

a(16) = 2, as the 16th digit in the fractional part of the base-3 expansion of 1/16 = 0.001200120012001200120012... is 2.

Mathematica

a = {}; Do[a = Append[a, Mod[ Floor[1/n * 3^n], 3] ], {n, 1, 100} ]; a

Prog

(PARI) A323591(n) = (floor((3^n)*(1/n))%3); \\ Antti Karttunen, Dec 09 2021

Crossrefs

Column 3 of A322392.

Cf. A061480, A323547, A323592.

Sequence in context: A349645 A237996 A203951 * A105348 A016406 A370078

Adjacent sequences: A323588 A323589 A323590 * A323592 A323593 A323594

Keyword

nonn,base,easy

Author

Derek J. Graves, Jan 18 2019, on behalf of Joseph A. Stocke

Extensions

Definition clarified by Antti Karttunen, Dec 09 2021

Status

approved