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A096596
a(n) = A060178(n) - A060015(n).
0
-1, 1, -1, 5, 49, 449, 6131, 25129, 257825, 2797409, 97602559, 1520338841, 25975583789, 245725626145, 959689963259, 22900048571009, 1865034074530801, 48689863762892609, 1021947714097845815
OFFSET
1,4
CROSSREFS
KEYWORD
sign
AUTHOR
Russell Walsmith (russw(AT)lycos.com), Aug 10 2004
EXTENSIONS
More terms from Vladeta Jovovic, Aug 10 2004
Shorter name from Joerg Arndt, Sep 21 2020
STATUS
approved