A340378 Number of 1-digits in the ternary representation of A048673(n).

1, 0, 1, 1, 2, 0, 0, 2, 3, 1, 1, 1, 1, 1, 0, 3, 2, 2, 2, 2, 2, 0, 1, 2, 1, 0, 1, 2, 2, 1, 1, 4, 1, 1, 3, 3, 1, 1, 3, 3, 2, 1, 0, 1, 2, 2, 1, 3, 1, 0, 2, 1, 2, 0, 2, 3, 2, 1, 3, 2, 2, 0, 2, 5, 0, 2, 2, 2, 1, 2, 3, 4, 4, 0, 3, 2, 0, 2, 2, 4, 3, 1, 1, 2, 3, 1, 0, 2, 3, 1, 4, 3, 3, 0, 1, 4, 1, 0, 1, 1, 2, 1, 0, 2, 3

Offset

1,5

Comments

Binary weight of A304759(n).

Links

Antti Karttunen, Table of n, a(n) for n = 1..16384

Index entries for sequences computed from indices in prime factorization

Formula

a(n) = A062756(A048673(n)) = A000120(A304759(n)).

a(n) = A286585(n) - 2*A340379(n).

Prog

(PARI) A340378(n) = hammingweight(A304759(n));

Crossrefs

Cf. A000120, A048673, A062756, A286585, A304759, A340379.

Cf. A340376 (positions of zeros).

Sequence in context: A352551 A174739 A280542 * A274575 A203994 A285725

Adjacent sequences: A340375 A340376 A340377 * A340379 A340380 A340381

Keyword

nonn

Author

Antti Karttunen, Jan 15 2021

Status

approved