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| n | a(n) |
|---|---|
| 3 | 1 |
| 4 | 6 |
| 5 | 21 |
| 6 | 59 |
| 7 | 144 |
| 8 | 321 |
| 9 | 669 |
| 10 | 1323 |
| 11 | 2511 |
| 12 | 4604 |
| 13 | 8202 |
| 14 | 14253 |
| 15 | 24241 |
| 16 | 40449 |
| 17 | 66363 |
| 18 | 107234 |
| 19 | 170910 |
| 20 | 269004 |
| 21 | 418566 |
| 22 | 644436 |
| 23 | 982536 |
| 24 | 1484482 |
| 25 | 2223942 |
| 26 | 3305484 |
| 27 | 4876620 |
| 28 | 7144455 |
| 29 | 10398123 |
| 30 | 15039564 |
| 31 | 21624678 |
| 32 | 30919323 |
| 33 | 43973708 |
| 34 | 62222844 |
| 35 | 87619212 |
| 36 | 122810585 |
[1,6,21,59,144,321,669,1323,2511,4604,8202,14253, 24241,40449,66363,107234,170910,269004,418566, 644436,982536,1484482,2223942,3305484,4876620, 7144455,10398123,15039564,21624678,30919323, 43973708,62222844,87619212,122810585] |