OFFSET
1,10
COMMENTS
FORMULA
Equals M * Q, where M = triangle A101688, Q = an infinite lower triangular matrix with (1, 1, 1, 2, 3, 6, 11, 22, 42,...) as the main diagonal and the rest zeros.
EXAMPLE
First few rows of the triangle:
1;
0, 1;
0, 1, 1;
0, 0, 1, 2;
0, 0, 1, 2, 3;
0, 0, 0, 2, 3, 6;
0, 0, 0, 2, 3, 6, 11;
0, 0, 0, 0, 3, 6, 11, 22;
0, 0, 0, 0, 3, 6, 11, 22, 42;
0, 0, 0, 0, 0, 6, 11, 22, 42, 84;
0, 0, 0, 0, 0, 6, 11, 22, 42, 84, 165;
0, 0, 0, 0, 0, 0, 11, 22, 42, 84, 165, 330;
0, 0, 0, 0, 0, 0, 11, 22, 42, 84, 165, 330, 654;
0, 0, 0, 0, 0, 0, .0, 22, 42, 84, 165, 330, 654, 1308;
0, 0, 0, 0, 0, 0, .0, 22, 42, 84, 165, 330, 654, 1308, 2605;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Nov 15 2009
STATUS
approved