Column 0 of the matrix log of triangle A118185, after term in row n is multiplied by n: a(n) = n*[log(A118185)](n,0), where A118185(n,k) = 4^(k*(n-k)).

A118189

Column 0 of the matrix log of triangle A118185, after term in row n is multiplied by n: a(n) = n*[log(A118185)](n,0), where A118185(n,k) = 4^(k*(n-k)).

Terms

    a(0) =0a(1) =1a(2) =-2a(3) =19a(4) =-764a(5) =125701a(6) =-83499002a(7) =222705979399

External references