OFFSET
0,5
COMMENTS
Row sums = A005001 starting (1, 2, 4, 9, 24, 76, 279, ...).
FORMULA
T(n, k) = Sum_{i=0..n-k} Stirling2(i+k, k). - Igor Victorovich Statsenko, May 25 2024
EXAMPLE
First few rows of the triangle:
1;
1, 1;
1, 2, 1;
1, 3, 4, 1;
1, 4, 11, 7, 1;
1, 5, 26, 32, 11, 1;
1, 6, 57, 122, 76, 16, 1;
1, 7, 120, 423, 426, 156, 22, 1;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jan 29 2008
EXTENSIONS
Offset set to 0 by Peter Luschny, May 25 2024
STATUS
approved