A321081 - OEIS

A321081

Digits of the 2-adic integer log_5(-3).

1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1

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OFFSET

0,1

COMMENTS

See A321080 for the definition of log_5(-3) and more information.

Multiplicative inverse of A321083.

LINKS

Jianing Song, Table of n, a(n) for n = 0..1000

Wikipedia, p-adic number

FORMULA

a(n) = 0 if 5^A321080(n+2) + 3 is divisible by 2^(n+3), otherwise 1.

Equals to A321694/A152228.