1136923

Appears in sequences

• Matrix square of triangle A107876; equals matrix product of triangles: A107876^2 = A107862^-1*A107870 = A107867^-1*A107873.at n=46A107880
• Column 1 of triangle A107880.at n=8A107882
• Matrix inverse of triangle A122175, where A122175(n,k) = C( k*(k+1)/2 + n-k, n-k) for n>=k>=0.at n=46A121435