OFFSET
0,3
COMMENTS
Row sums = the Bell numbers, A000110: (1, 1, 2, 5, 15, 203, ...).
EXAMPLE
First few rows of the triangle:
1;
-1, 2;
4, -7, 5;
-7, 32, -35, 15;
37, -131, 228, -171, 52;
-94, 646, -1379, 1540, -864, 203;
...
CROSSREFS
KEYWORD
tabl,sign
AUTHOR
Gary W. Adamson, Jan 21 2008
EXTENSIONS
a(28) = -1925 corrected by Georg Fischer, Jun 05 2023
STATUS
approved