A088526 a(n) = A061017(n) - pi(n) - 1.

0, 0, -1, 0, -1, 0, -1, -1, 0, 0, 0, 0, -1, -1, 0, 0, 0, 0, -1, -1, 0, 0, -1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 2, 2, 1, 1, 1, 1, 0, 0, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 2, 3, 2, 2, 2, 2, 1, 2, 1, 2, 2

Offset: 1

Author

David Applegate and N. J. A. Sloane, Oct 22 2008

Keywords

• sign

Comments

a(n) >= 0 for all n >= 24.

The old entry with this sequence number was a duplicate of A074292.

Crossrefs

Cf. A061017, A006218, A098357, A052511.