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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 5 |
| 5 | 11 |
| 6 | 23 |
| 7 | 47 |
| 8 | 94 |
| 9 | 188 |
| 10 | 376 |
| 11 | 753 |
| 12 | 1506 |
| 13 | 3013 |
| 14 | 6027 |
| 15 | 12054 |
| 16 | 24109 |
| 17 | 48218 |
| 18 | 96437 |
| 19 | 192874 |
| 20 | 385749 |
| 21 | 771499 |
| 22 | 1542998 |
| 23 | 3085996 |
| 24 | 6171992 |
| 25 | 12343985 |
| 26 | 24687971 |
| 27 | 49375942 |
| 28 | 98751885 |
| 29 | 197503771 |
| 30 | 395007542 |
| 31 | 790015084 |
| 32 | 1580030168 |
| 33 | 3160060337 |
| 34 | 6320120674 |
[0,0,1,2,5,11,23,47,94,188,376,753,1506,3013,6027, 12054,24109,48218,96437,192874,385749,771499, 1542998,3085996,6171992,12343985,24687971, 49375942,98751885,197503771,395007542,790015084, 1580030168,3160060337,6320120674] |