866942

Appears in sequences

• Triangle, read by rows, where T(n,k) equals the dot product of the vector of terms in row n that are to the right of T(n,k) with the vector of terms in column k that are above T(n,k) for n>k+1>0, with the odd numbers in the secondary diagonal and all 1's in the main diagonal.at n=46A128320
• Column 1 of triangle A128320; a(n) = A128321(n) + 2n*A128321(n-1), where A128321 is column 0 of triangle A128320.at n=8A128322