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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 9 |
| 6 | 1 |
| 7 | 5 |
| 8 | 63 |
| 9 | 63 |
| 10 | 5 |
| 11 | 1 |
| 12 | 413 |
| 13 | 765 |
| 14 | 413 |
| 15 | 1 |
| 16 | 23 |
| 17 | 3293 |
| 18 | 26003 |
| 19 | 26003 |
| 20 | 3293 |
| 21 | 23 |
| 22 | 25 |
| 23 | 25123 |
| 24 | 559115 |
| 25 | 2171313 |
| 26 | 559115 |
| 27 | 25123 |
| 28 | 25 |
| 29 | 97 |
| 30 | 196811 |
| 31 | 16513425 |
| 32 | 184247585 |
| 33 | 184247585 |
| 34 | 16513425 |
| 35 | 196811 |
| 36 | 97 |
| 37 | 155 |
| 38 | 1610765 |
| 39 | 435630965 |
| 40 | 16910703303 |
[0,1,1,1,9,1,5,63,63,5,1,413,765,413,1,23,3293, 26003,26003,3293,23,25,25123,559115,2171313, 559115,25123,25,97,196811,16513425,184247585, 184247585,16513425,196811,97,155,1610765, 435630965,16910703303] |