login
A160482
Second left hand column of the Beta triangle A160480
2
1, 36, 2063, 182474, 23364725, 4107797216, 951631193979, 281268377936406, 103364179496231841, 46249298048633298156, 24761883016575811181799, 15633887186628672922202850, 11496293145747030133211784525
OFFSET
3,2
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);
CROSSREFS
A160480 is the Beta triangle.
A101269 is the first left hand column.
Sequence in context: A071128 A065782 A374393 * A135626 A064566 A375058
KEYWORD
easy,nonn
AUTHOR
Johannes W. Meijer, May 24 2009
STATUS
approved