A160482 Second left hand column of the Beta triangle A160480.

1, 36, 2063, 182474, 23364725, 4107797216, 951631193979, 281268377936406, 103364179496231841, 46249298048633298156, 24761883016575811181799, 15633887186628672922202850, 11496293145747030133211784525

Offset: 3

Author

Johannes W. Meijer, May 24 2009

Keywords

• easy
• nonn

Crossrefs

A160480 is the Beta triangle.

A101269 is the first left hand column.

Programs

Maple

nmax:=15; a(1,1):=0: for n from 2 to nmax do a(n,1):=(2*n-3)^2*a(n-1,1)-(2*(n-2))! od: a(2,2):=0: for n from 3 to nmax do a(n,2):=(2*n-3)^2*a(n-1,2)-a(n-1,1) od: seq(a(n,2), n=3..nmax);