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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 13 |
| 4 | 13 |
| 5 | 29 |
| 6 | 34 |
| 7 | 100 |
| 8 | 130 |
| 9 | 305 |
| 10 | 361 |
| 11 | 881 |
| 12 | 1145 |
| 13 | 2906 |
| 14 | 3557 |
| 15 | 8669 |
| 16 | 10693 |
| 17 | 26893 |
| 18 | 33680 |
| 19 | 83360 |
| 20 | 102800 |
| 21 | 254565 |
| 22 | 317165 |
| 23 | 790037 |
| 24 | 980237 |
| 25 | 2428298 |
| 26 | 3011265 |
| 27 | 7483801 |
| 28 | 9301217 |
| 29 | 23092857 |
| 30 | 28646722 |
| 31 | 71093860 |
[1,2,5,13,13,29,34,100,130,305,361,881,1145,2906, 3557,8669,10693,26893,33680,83360,102800,254565, 317165,790037,980237,2428298,3011265,7483801, 9301217,23092857,28646722,71093860] |