A022930 Number of 4^m between 3^n and 3^(n+1).

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

Offset

0,1

Links

Table of n, a(n) for n=0..98.

Prog

(PARI) logint(3^(n+1), 4)-logint(3^n, 4) \\ Charles R Greathouse IV, Jan 16 2017

Crossrefs

Sequence in context: A144609 A115517 A351039 * A285596 A257680 A323377

Adjacent sequences: A022927 A022928 A022929 * A022931 A022932 A022933

Keyword

nonn

Author

Clark Kimberling

Status

approved