A156267 a(n)=A054353(2*n)-A078649(n).

1, 2, 1, 1, 2, 3, 3, 2, 1, 2, 2, 1, 1, 2, 1, -1, -1, 1, 1, 2, 1, 1, 2, 2, 1, -1, 1, 1, 2, 1, 1, 2, 3, 3, 2, 1, 1, 2, 2, 1, 2, 3, 3, 2, 3, 4, 4, 5, 3, 3, 4, 3, 2, 3, 4, 4, 5, 3, 2, 3, 3, 2, 1, 2, 2, 1, -1, 1, 1, 2, 1, 1, 2, 2, 1, 2, 3, 4, 3, 2, 1, 2, 3, 3, 2, 3, 4, 3, 2, 1, 2, 2, 1, 1, 2, 1, -1, -1, 1, 1, -1, 1, 1

Offset: 1

Author

Benoit Cloitre, Feb 07 2009

Keywords

• sign

Formula

Conjectured to be o(n)