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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 12 |
| 4 | 24 |
| 5 | 52 |
| 6 | 90 |
| 7 | 186 |
| 8 | 306 |
| 9 | 574 |
| 10 | 942 |
| 11 | 1690 |
| 12 | 2618 |
| 13 | 4600 |
| 14 | 7092 |
| 15 | 11772 |
| 16 | 18022 |
| 17 | 29312 |
| 18 | 43894 |
| 19 | 69938 |
| 20 | 103854 |
| 21 | 161382 |
| 22 | 238148 |
| 23 | 363818 |
| 24 | 530428 |
| 25 | 799366 |
| 26 | 1157104 |
| 27 | 1717906 |
| 28 | 2470426 |
| 29 | 3623286 |
| 30 | 5170082 |
| 31 | 7510056 |
| 32 | 10647032 |
| 33 | 15305918 |
| 34 | 21573014 |
[1,2,5,12,24,52,90,186,306,574,942,1690,2618,4600, 7092,11772,18022,29312,43894,69938,103854,161382, 238148,363818,530428,799366,1157104,1717906, 2470426,3623286,5170082,7510056,10647032,15305918, 21573014] |