OFFSET
0,2
LINKS
Reinhard Zumkeller, Rows n = 0..125 of triangle, flattened
EXAMPLE
First few rows of the triangle are:
1;
4, 2;
6, 9, 3;
8, 20, 16, 4;
10, 35, 45, 25, 5;
12, 54, 96, 84, 36, 6;
14, 77, 175, 210, 140, 49, 7;
...
Row 3 = (8, 20, 16, 4) = 4 * (2, 5, 4, 1), where (2, 5, 4, 1) = row 3 of A029653, (2,1) Pascal's triangle.
PROG
(Haskell)
a134239 n k = a134239_tabl !! n !! k
a134239_row n = a134239_tabl !! n
a134239_tabl = [1] : zipWith (map . (*))
[2..] (map reverse $ tail a029635_tabl)
-- Reinhard Zumkeller, Nov 14 2014
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Oct 14 2007
EXTENSIONS
Corrected by Philippe Deléham, Oct 17 2007
Formula corrected by Reinhard Zumkeller, Nov 14 2014
STATUS
approved