A160471 Fourth right hand column of triangles A094665 and A083061.

34, 2370, 111705, 4579575, 178378200, 6873506640, 267565948650, 10644585301350, 435650179214250, 18411603581621250, 805168495577320875, 36472461710322763125, 1711907729642450340000, 83253368434295609550000

Offset: 0

Author

Johannes W. Meijer, May 24 2009

Keywords

• easy
• nonn

Crossrefs

Equals fourth right hand column of the triangles A094665 and A083061. Other right hand columns are A001147, A001880, A160470 and A160472.

Formula

a(n+1) = ((70*n^4+1407*n^3+10520*n^2+34707*n+42660)*a(n))/(35*n^3+336*n^2+913*n +612) with a(0) = 34.