OFFSET
0,1
FORMULA
As a table read by antidiagonals, T(n, k) = -mu(k*n);
As a number triangle read by rows, T(n, k) = if(k<=n, -mu(k(n-k)), 0).
EXAMPLE
Triangle begins
1;
1, 1;
1, -1, 1;
1, 1, 1, 1;
1, 1, 0, 1, 1;
1, 0, -1, -1, 0, 1;
CROSSREFS
KEYWORD
AUTHOR
Paul Barry, Apr 14 2005
STATUS
approved