A156268 a(n)=2*A054353(n)-A078649(n).

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

Offset: 1

Author

Benoit Cloitre, Feb 07 2009

Keywords

• sign

Formula

Conjectured to be o(n)