OFFSET
1,3
FORMULA
MATHEMATICA
Table[Sum[(n - k)*KroneckerDelta[MoebiusMu[k]^2, MoebiusMu[n - k]^2], {k, Floor[n/2]}], {n, 80}]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Wesley Ivan Hurt, Oct 24 2017
STATUS
approved