OFFSET
1,2
COMMENTS
See triangle A117170 for the definition of the Inverse-Shift-Moebius transform.
FORMULA
a(n) = Sum_{k=1,n} A117170(n,k)*k.
PROG
(PARI) {a(n)=sum(k=1, n, prod(i=0, n, matrix(n, n, r, c, if(r>=c, if((r+i)%(c+i)==0, 1, 0))))[n, k]*k)}
CROSSREFS
KEYWORD
nonn
AUTHOR
Wouter Meeussen and Paul D. Hanna, Mar 05 2006
STATUS
approved