The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -3 |
| 2 | -21 |
| 3 | 33 |
| 4 | 4011 |
| 5 | 46617 |
| 6 | -1015581 |
| 7 | -48942687 |
| 8 | -234562629 |
| 9 | 46778432937 |
| 10 | 1609014050259 |
| 11 | -27879344558607 |
| 12 | -4096322988867669 |
| 13 | -82334747816721543 |
| 14 | 7943345993936306499 |
| 15 | 587663560859820510273 |
[1,-3,-21,33,4011,46617,-1015581,-48942687, -234562629,46778432937,1609014050259, -27879344558607,-4096322988867669, -82334747816721543,7943345993936306499, 587663560859820510273] |