OFFSET
1,3
FORMULA
EXAMPLE
First few rows of the triangle are:
1;
1, 2;
2, 0, 2;
2, 2, 0, 3;
4, 0, 0, 0, 2;
2, 4, 2, 0, 0, 4;
6, 0, 0, 0, 0, 0, 2;
4, 4, 0, 3, 0, 0, 0, 4;
...
MAPLE
A127527 := proc(n, k) if n mod k = 0 then numtheory[tau](k)*numtheory[phi](n/k) ; else 0; end if; end proc: # R. J. Mathar, Apr 11 2011
CROSSREFS
KEYWORD
AUTHOR
Gary W. Adamson, Jan 17 2007
EXTENSIONS
Definition clarified by R. J. Mathar, Apr 11 2011
STATUS
approved