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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 5 |
| 5 | 9 |
| 6 | 17 |
| 7 | 31 |
| 8 | 111 |
| 9 | 195 |
| 10 | 319 |
| 11 | 1021 |
| 12 | 2525 |
| 13 | 4639 |
| 14 | 11092 |
| 15 | 25708 |
| 16 | 64083 |
| 17 | 173846 |
| 18 | 292644 |
| 19 | 979061 |
| 20 | 2073724 |
| 21 | 2680995 |
| 22 | 7115676 |
| 23 | 17380240 |
| 24 | 30136219 |
| 25 | 41109707 |
| 26 | 136581181 |
| 27 | 298634398 |
| 28 | 550610143 |
| 29 | 1625232666 |
| 30 | 2859685613 |
| 31 | 9863026929 |
| 32 | 19691221772 |
| 33 | 32153295043 |
[1,1,1,3,5,9,17,31,111,195,319,1021,2525,4639, 11092,25708,64083,173846,292644,979061,2073724, 2680995,7115676,17380240,30136219,41109707, 136581181,298634398,550610143,1625232666, 2859685613,9863026929,19691221772,32153295043] |