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A136790
Triangle read by rows: A011971 * A007318^(-1).
1
1, -1, 2, 4, -7, 5, -7, 32, -35, 15, 37, -131, 228, -171, 52, -94, 646, -1379, 1540, -864, 203, 587, -3146, 8648, -12483, 10308, -4588, 877, -1925, 17464, -55125, 98923, -106834, 69951, -25717, 4140, 13606, -98053, 367914, -781241, 1044519, -898394, 486811, -152169, 21147
OFFSET
0,3
COMMENTS
Row sums = the Bell numbers, A000110: (1, 1, 2, 5, 15, 203, ...).
A136789 = A011971 * A130595. [Corrected by Georg Fischer, Jun 05 2023]
FORMULA
Product of the Aitken triangle (A011971) and the inverse of Pascal's Triangle (A007318).
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