A093075 Indicating the neighbor with a greater greatest prime factor.

1, 1, 0, 1, 0, 1, 0, -1, 1, 1, 0, 1, 0, -1, -1, 1, 0, 1, 0, -1, 1, 1, 0, -1, 1, 0, -1, 1, 0, 1, 0, -1, 1, 0, -1, 1, 0, -1, -1, 1, 0, 1, 0, -1, 1, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 1, 1, 0, 1, 0, -1, -1, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, -1, 0, -1, 1, 0, -1, 1, 1, 0, -1, 1, 0, -1, 1, 0, -1

Offset: 1

Author

Reinhard Zumkeller, Mar 18 2004

Keywords

• sign

Comments

A093074(n)=A006530(n+a(n)); A006530(n)<=A006530(n+a(n)).