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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 11 |
| 3 | 23 |
| 4 | 45 |
| 5 | 81 |
| 6 | 141 |
| 7 | 239 |
| 8 | 400 |
| 9 | 661 |
| 10 | 1085 |
| 11 | 1772 |
| 12 | 2885 |
| 13 | 4687 |
| 14 | 7604 |
| 15 | 12325 |
| 16 | 19965 |
| 17 | 32328 |
| 18 | 52333 |
| 19 | 84704 |
| 20 | 137082 |
| 21 | 221833 |
| 22 | 358964 |
| 23 | 580848 |
| 24 | 939865 |
| 25 | 1520768 |
| 26 | 2460690 |
| 27 | 3981517 |
| 28 | 6442268 |
| 29 | 10423848 |
| 30 | 16866181 |
| 31 | 27290096 |
| 32 | 44156346 |
| 33 | 71446513 |
| 34 | 115602932 |
| 35 | 187049520 |
[1,3,11,23,45,81,141,239,400,661,1085,1772,2885, 4687,7604,12325,19965,32328,52333,84704,137082, 221833,358964,580848,939865,1520768,2460690, 3981517,6442268,10423848,16866181,27290096, 44156346,71446513,115602932,187049520] |