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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 4 |
| 3 | 5 |
| 4 | 9 |
| 5 | 14 |
| 6 | 51 |
| 7 | 65 |
| 8 | 2651 |
| 9 | 2716 |
| 10 | 10799 |
| 11 | 13515 |
| 12 | 24314 |
| 13 | 37829 |
| 14 | 137801 |
| 15 | 175630 |
| 16 | 7163001 |
| 17 | 7338631 |
| 18 | 29178894 |
| 19 | 36517525 |
| 20 | 65696419 |
| 21 | 102213944 |
| 22 | 372338251 |
| 23 | 474552195 |
| 24 | 19354426051 |
| 25 | 19828978246 |
| 26 | 78841360789 |
| 27 | 98670339035 |
| 28 | 177511699824 |
| 29 | 276182038859 |
| 30 | 1006057816401 |
[1,1,4,5,9,14,51,65,2651,2716,10799,13515,24314, 37829,137801,175630,7163001,7338631,29178894, 36517525,65696419,102213944,372338251,474552195, 19354426051,19828978246,78841360789,98670339035, 177511699824,276182038859,1006057816401] |