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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 16 |
| 6 | 31 |
| 7 | 60 |
| 8 | 116 |
| 9 | 224 |
| 10 | 432 |
| 11 | 833 |
| 12 | 1606 |
| 13 | 3096 |
| 14 | 5968 |
| 15 | 11504 |
| 16 | 22175 |
| 17 | 42744 |
| 18 | 84752 |
| 19 | 169880 |
| 20 | 340013 |
| 21 | 679604 |
| 22 | 1356641 |
| 23 | 2704954 |
| 24 | 5387340 |
| 25 | 10718620 |
| 26 | 21304973 |
| 27 | 42308331 |
| 28 | 83945336 |
| 29 | 166423276 |
| 30 | 329683867 |
| 31 | 652627294 |
| 32 | 1291020297 |
| 33 | 2552209710 |
| 34 | 5042305104 |
[1,1,2,4,8,16,31,60,116,224,432,833,1606,3096, 5968,11504,22175,42744,84752,169880,340013,679604, 1356641,2704954,5387340,10718620,21304973, 42308331,83945336,166423276,329683867,652627294, 1291020297,2552209710,5042305104] |