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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -33 |
| 3 | 244 |
| 4 | -993 |
| 5 | 3126 |
| 6 | -8052 |
| 7 | 16808 |
| 8 | -31713 |
| 9 | 59293 |
| 10 | -103158 |
| 11 | 161052 |
| 12 | -242292 |
| 13 | 371294 |
| 14 | -554664 |
| 15 | 762744 |
| 16 | -1014753 |
| 17 | 1419858 |
| 18 | -1956669 |
| 19 | 2476100 |
| 20 | -3104118 |
| 21 | 4101152 |
| 22 | -5314716 |
| 23 | 6436344 |
| 24 | -7737972 |
| 25 | 9768751 |
| 26 | -12252702 |
| 27 | 14408200 |
| 28 | -16690344 |
| 29 | 20511150 |
[1,-33,244,-993,3126,-8052,16808,-31713,59293, -103158,161052,-242292,371294,-554664,762744, -1014753,1419858,-1956669,2476100,-3104118, 4101152,-5314716,6436344,-7737972,9768751, -12252702,14408200,-16690344,20511150] |