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| n | a(n) |
|---|---|
| 1 | 174 |
| 2 | 726 |
| 3 | 726 |
| 4 | 3030 |
| 5 | 4362 |
| 6 | 3030 |
| 7 | 12630 |
| 8 | 25854 |
| 9 | 25854 |
| 10 | 12630 |
| 11 | 52662 |
| 12 | 150234 |
| 13 | 215644 |
| 14 | 150234 |
| 15 | 52662 |
| 16 | 219606 |
| 17 | 886926 |
| 18 | 1752120 |
| 19 | 1752120 |
| 20 | 886926 |
| 21 | 219606 |
| 22 | 915702 |
| 23 | 5221098 |
| 24 | 14532816 |
| 25 | 19941490 |
| 26 | 14532816 |
| 27 | 5221098 |
| 28 | 915702 |
| 29 | 3818262 |
| 30 | 30631134 |
| 31 | 120202866 |
[174,726,726,3030,4362,3030,12630,25854,25854, 12630,52662,150234,215644,150234,52662,219606, 886926,1752120,1752120,886926,219606,915702, 5221098,14532816,19941490,14532816,5221098,915702, 3818262,30631134,120202866] |