Let M_n be the n X n matrix M_(i,j)=1/(3^i+3^j), then a(n) is the numerator of det(M_n).
A069743
Let M_n be the n X n matrix M_(i,j)=1/(3^i+3^j), then a(n) is the numerator of det(M_n).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =169a(4) =57122
External references
- oeis: A069743