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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | -3 |
| 4 | -3 |
| 5 | 9 |
| 6 | 9 |
| 7 | -27 |
| 8 | -27 |
| 9 | 81 |
| 10 | 81 |
| 11 | -243 |
| 12 | -243 |
| 13 | 729 |
| 14 | 729 |
| 15 | -2187 |
| 16 | -2187 |
| 17 | 6561 |
| 18 | 6561 |
| 19 | -19683 |
| 20 | -19683 |
| 21 | 59049 |
| 22 | 59049 |
| 23 | -177147 |
| 24 | -177147 |
| 25 | 531441 |
| 26 | 531441 |
| 27 | -1594323 |
| 28 | -1594323 |
| 29 | 4782969 |
| 30 | 4782969 |
| 31 | -14348907 |
| 32 | -14348907 |
| 33 | 43046721 |
| 34 | 43046721 |
| 35 | -129140163 |
| 36 | -129140163 |
| 37 | 387420489 |
[0,1,1,-3,-3,9,9,-27,-27,81,81,-243,-243,729,729, -2187,-2187,6561,6561,-19683,-19683,59049,59049, -177147,-177147,531441,531441,-1594323,-1594323, 4782969,4782969,-14348907,-14348907,43046721, 43046721,-129140163,-129140163,387420489] |