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| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 23 |
| 3 | 68 |
| 4 | 211 |
| 5 | 547 |
| 6 | 1248 |
| 7 | 2663 |
| 8 | 5432 |
| 9 | 10666 |
| 10 | 20206 |
| 11 | 36984 |
| 12 | 65512 |
| 13 | 112528 |
| 14 | 187831 |
| 15 | 305340 |
| 16 | 484415 |
| 17 | 751481 |
| 18 | 1141999 |
| 19 | 1702831 |
| 20 | 2495049 |
| 21 | 3597241 |
| 22 | 5109370 |
| 23 | 7157245 |
| 24 | 9897666 |
| 25 | 13524308 |
| 26 | 18274412 |
| 27 | 24436354 |
| 28 | 32358166 |
| 29 | 42457086 |
| 30 | 55230217 |
| 31 | 71266378 |
[10,23,68,211,547,1248,2663,5432,10666,20206, 36984,65512,112528,187831,305340,484415,751481, 1141999,1702831,2495049,3597241,5109370,7157245, 9897666,13524308,18274412,24436354,32358166, 42457086,55230217,71266378] |