%I #10 Jul 27 2023 11:17:11

%S 0,0,1,0,1,1,1,1,0,0,0,1,0,1,1,1,0,1,0,0,1,0,0,1,0,1,0,0,0,1,0,0,1,1,

%T 0,0,0,1,1,1,0,1,0,1,1,1,1,0,1,1,1,0,0,0,1,1,0,1,0,1,0,1,0,1,0,1,1,0,

%U 0,0,0,1,1,1,0,1,1,0,0,1,0,1,0,1,0,1,1

%N Digits of the 2-adic integer log(-3).

%C Appears to equal A309754 shifted right one place. - _R. J. Mathar_, Jul 27 2023

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/P-adic_number">p-adic number</a>

%F a(n) = (A321691(n+1) - A321691(n))/2^n.

%e log(-3) = ...01110001100100010100100101110100011110100.

%o (PARI) a(n) = lift(log(-3 + O(2^(n+1))))\2^n;

%Y Cf. A321691, A152228 (log(5)).

%K nonn,base

%O 0,1

%A _Jianing Song_, Nov 17 2018