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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 7 |
| 3 | 12 |
| 4 | 35 |
| 5 | 58 |
| 6 | 133 |
| 7 | 208 |
| 8 | 450 |
| 9 | 692 |
| 10 | 1358 |
| 11 | 2024 |
| 12 | 3822 |
| 13 | 5620 |
| 14 | 10018 |
| 15 | 14416 |
| 16 | 25025 |
| 17 | 35634 |
| 18 | 59591 |
| 19 | 83548 |
| 20 | 136955 |
| 21 | 190362 |
| 22 | 303725 |
| 23 | 417088 |
| 24 | 655128 |
| 25 | 893168 |
| 26 | 1374632 |
| 27 | 1856096 |
| 28 | 2820456 |
| 29 | 3784816 |
| 30 | 5658968 |
| 31 | 7533120 |
| 32 | 11144042 |
| 33 | 14754964 |
| 34 | 21542374 |
[1,2,7,12,35,58,133,208,450,692,1358,2024,3822, 5620,10018,14416,25025,35634,59591,83548,136955, 190362,303725,417088,655128,893168,1374632, 1856096,2820456,3784816,5658968,7533120,11144042, 14754964,21542374] |