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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 0 |
| 5 | -46 |
| 6 | -192 |
| 7 | -266 |
| 8 | 1792 |
| 9 | 14114 |
| 10 | 34816 |
| 11 | -171930 |
| 12 | -2027520 |
| 13 | -6522382 |
| 14 | 34750464 |
| 15 | 496296022 |
| 16 | 1748500480 |
| 17 | -12731696062 |
| 18 | -186550845440 |
| 19 | -617309234490 |
| 20 | 7292215885824 |
| 21 | 99199654760978 |
| 22 | 248883934396416 |
| 23 | -5836506132182090 |
| 24 | -69729013345550336 |
[1,2,4,6,0,-46,-192,-266,1792,14114,34816,-171930, -2027520,-6522382,34750464,496296022,1748500480, -12731696062,-186550845440,-617309234490, 7292215885824,99199654760978,248883934396416, -5836506132182090,-69729013345550336] |