OFFSET
1,4
FORMULA
MATHEMATICA
Table[Sum[k*KroneckerDelta[MoebiusMu[k]^2, MoebiusMu[n - k]^2], {k, Floor[n/2]}], {n, 80}]
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Wesley Ivan Hurt, Oct 24 2017
STATUS
approved