A119939 Main diagonal of triangle A119937.

3, 5, 7, 81, 44, 1300, 3375, 20825, 14896, 1333584, 1014300, 133402500, 105850800, 85395024, 279558279, 66958716825, 56112056000, 17143034708800, 14636445039216, 12595733648784, 10917487339200, 5038547354568000

Offset: 2

Author

Wolfdieter Lang, Jul 20 2006

Keywords

• nonn
• easy

Formula

a(n)= A119937(m,m-1), m>=2.