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

1,4

Links

Table of n, a(n) for n=1..19.

Crossrefs

Cf. A060014, A060015, A060178.

Sequence in context: A224756 A198969 A155629 * A001079 A146311 A212818

Adjacent sequences: A096593 A096594 A096595 * A096597 A096598 A096599

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