OFFSET
0,5
COMMENTS
FORMULA
EXAMPLE
First few rows of the triangle =
1;
1, 1;
1, 2, 2;
1, 3, 6, 5;
1, 4, 12, 20, 14;
1, 5, 20, 50, 70, 43;
1, 6, 30, 100, 210, 258, 143;
1, 7, 42, 175, 490, 903, 1001, 509;
1, 8, 56, 280, 980, 2408, 4004, 4072, 1922;
1, 9, 72, 420, 1764, 5418, 12012, 18324, 17298, 7651;
1, 10, 90, 600, 2940, 10836, 30030, 61080, 86490, 76510, 31965;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Dec 20 2008
STATUS
approved