OFFSET
1,2
COMMENTS
FORMULA
t(n,m)=MoebiusMu[n]*A126988(n,m); t(n,m)=MoebiusMu[n]*If[m == 1, n, If[Mod[n, m] == 0, n/m, 0]]. - Roger L. Bagula, Sep 06 2008
EXAMPLE
First few rows of the triangle =
1;
-2, -1;
-3, 0, -1;
0, 0, 0, 0;
-5, 0, 0, 0, -1;
6, 3, 2, 0, 0, 1;
-7, 0, 0, 0, 0, 0, -1;
0, 0, 0, 0, 0, 0, 0, 0;
0, 0, 0, 0, 0, 0, 0, 0, 0;
10, 5, 0, 0, 2, 0, 0, 0, 0, 1;
...
MATHEMATICA
t[n_, m_] = MoebiusMu[n]*If[m == 1, n, If[Mod[n, m] == 0, n/m, 0]]; Table[Table[t[n, m], {m, 1, n}], {n, 1, 10}]; Flatten[%] - Roger L. Bagula, Sep 06 2008
CROSSREFS
KEYWORD
tabl,sign
AUTHOR
Gary W. Adamson, Aug 02 2008
STATUS
approved