A096596 a(n) = A060178(n) - A060015(n).
-1, 1, -1, 5, 49, 449, 6131, 25129, 257825, 2797409, 97602559, 1520338841, 25975583789, 245725626145, 959689963259, 22900048571009, 1865034074530801, 48689863762892609, 1021947714097845815
Offset: 1
Keywords
Extensions
More terms from Vladeta Jovovic, Aug 10 2004
Shorter name from Joerg Arndt, Sep 21 2020