OFFSET
0,4
FORMULA
EXAMPLE
Triangle begins :
1
1, 1
3, 4, 1
13, 21, 9, 1
71, 132, 76, 16, 1
461, 955, 670, 200, 25, 1
3447, 7782, 6309, 2374, 435, 36, 1
29093, 70441, 63833, 28413, 6713, 833, 49, 1
273343, 701352, 694500, 351512, 99868, 16240, 1456, 64, 1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Philippe Deléham, Nov 20 2011
STATUS
approved