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A321694
Digits of the 2-adic integer log(-3).
4
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, 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, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1
OFFSET
0,1
COMMENTS
Appears to equal A309754 shifted right one place. - R. J. Mathar, Jul 27 2023
FORMULA
a(n) = (A321691(n+1) - A321691(n))/2^n.
EXAMPLE
log(-3) = ...01110001100100010100100101110100011110100.
PROG
(PARI) a(n) = lift(log(-3 + O(2^(n+1))))\2^n;
CROSSREFS
Cf. A321691, A152228 (log(5)).
Sequence in context: A340373 A043545 A094754 * A262684 A373263 A287382
KEYWORD
nonn,base
AUTHOR
Jianing Song, Nov 17 2018
STATUS
approved