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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 17 |
| 3 | 93 |
| 4 | 465 |
| 5 | 1746 |
| 6 | 5741 |
| 7 | 16238 |
| 8 | 41650 |
| 9 | 97407 |
| 10 | 212412 |
| 11 | 434767 |
| 12 | 845366 |
| 13 | 1569344 |
| 14 | 2801696 |
| 15 | 4828140 |
| 16 | 8069053 |
| 17 | 13114785 |
| 18 | 20796651 |
| 19 | 32242621 |
| 20 | 48986553 |
| 21 | 73052382 |
| 22 | 107114645 |
| 23 | 154621230 |
| 24 | 220021932 |
| 25 | 308940815 |
| 26 | 428492880 |
| 27 | 587520315 |
| 28 | 797019526 |
| 29 | 1070458096 |
[1,1,17,93,465,1746,5741,16238,41650,97407,212412, 434767,845366,1569344,2801696,4828140,8069053, 13114785,20796651,32242621,48986553,73052382, 107114645,154621230,220021932,308940815,428492880, 587520315,797019526,1070458096] |