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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 10 |
| 3 | 10 |
| 4 | 40 |
| 5 | 123 |
| 6 | 40 |
| 7 | 148 |
| 8 | 2210 |
| 9 | 2210 |
| 10 | 148 |
| 11 | 592 |
| 12 | 38765 |
| 13 | 198581 |
| 14 | 38765 |
| 15 | 592 |
| 16 | 2344 |
| 17 | 695964 |
| 18 | 17320937 |
| 19 | 17320937 |
| 20 | 695964 |
| 21 | 2344 |
| 22 | 9376 |
| 23 | 12496675 |
| 24 | 1552603242 |
| 25 | 7482387694 |
| 26 | 1552603242 |
| 27 | 12496675 |
| 28 | 9376 |
| 29 | 37456 |
| 30 | 224917356 |
| 31 | 139465708673 |
[4,10,10,40,123,40,148,2210,2210,148,592,38765, 198581,38765,592,2344,695964,17320937,17320937, 695964,2344,9376,12496675,1552603242,7482387694, 1552603242,12496675,9376,37456,224917356, 139465708673] |