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| n | a(n) |
|---|---|
| 1 | 40 |
| 2 | 525 |
| 3 | 3544 |
| 4 | 14465 |
| 5 | 44556 |
| 6 | 114205 |
| 7 | 256880 |
| 8 | 523809 |
| 9 | 989380 |
| 10 | 1757261 |
| 11 | 2967240 |
| 12 | 4802785 |
| 13 | 7499324 |
| 14 | 11353245 |
| 15 | 16731616 |
| 16 | 24082625 |
| 17 | 33946740 |
| 18 | 46968589 |
| 19 | 63909560 |
| 20 | 85661121 |
| 21 | 113258860 |
| 22 | 147897245 |
| 23 | 190945104 |
| 24 | 243961825 |
| 25 | 308714276 |
| 26 | 387194445 |
[40,525,3544,14465,44556,114205,256880,523809, 989380,1757261,2967240,4802785,7499324,11353245, 16731616,24082625,33946740,46968589,63909560, 85661121,113258860,147897245,190945104,243961825, 308714276,387194445] |