| n | a(n) |
|---|---|
| 7 | 31 |
| 8 | 696 |
| 9 | 5823 |
| 10 | 29380 |
| 11 | 108933 |
| 12 | 327840 |
| 13 | 848380 |
| 14 | 1958004 |
| 15 | 4130895 |
| 16 | 8107024 |
| 17 | 14990889 |
| 18 | 26372124 |
| 19 | 44470165 |
| 20 | 72305160 |
| 21 | 113897310 |
| 22 | 174496828 |
| 23 | 260846703 |
| 24 | 381480456 |
| 25 | 547057075 |
| 26 | 770735316 |
| 27 | 1068589557 |
| 28 | 1460069392 |
| 29 | 1968505152 |
| 30 | 2621661540 |
[31,696,5823,29380,108933,327840,848380,1958004, 4130895,8107024,14990889,26372124,44470165, 72305160,113897310,174496828,260846703,381480456, 547057075,770735316,1068589557,1460069392, 1968505152,2621661540] |