A160470 Third right hand column of triangles A094665 and A083061.

4, 147, 4095, 107415, 2837835, 77567490, 2219186970, 66782365650, 2117393828550, 70731036701325, 2487181536464625, 91943495971952625, 3567666639475063125, 145075480675658032500, 6172232487370191742500

Offset: 0

Author

Johannes W. Meijer, May 24 2009

Keywords

• easy
• nonn

Crossrefs

Equals third right hand column of the triangles A094665 and A083061. Other right hand columns are A001147, A001880, A160471 and A160472.

Formula

a(n+1) = (10*n^3+117*n^2+455*n+588)*a(n)/(5*n^2+21*n+16) with a(0) = 4.