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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 7 |
| 5 | 12 |
| 6 | 26 |
| 7 | 50 |
| 8 | 99 |
| 9 | 195 |
| 10 | 396 |
| 11 | 790 |
| 12 | 1579 |
| 13 | 3155 |
| 14 | 6305 |
| 15 | 12596 |
| 16 | 25168 |
| 17 | 50287 |
| 18 | 100672 |
| 19 | 201342 |
| 20 | 402683 |
| 21 | 805363 |
| 22 | 1610721 |
| 23 | 3221428 |
| 24 | 6442832 |
| 25 | 12885615 |
| 26 | 25771134 |
| 27 | 51542067 |
| 28 | 103083740 |
| 29 | 206166691 |
| 30 | 412331806 |
| 31 | 824660462 |
| 32 | 1649314633 |
[1,3,4,7,12,26,50,99,195,396,790,1579,3155,6305, 12596,25168,50287,100672,201342,402683,805363, 1610721,3221428,6442832,12885615,25771134, 51542067,103083740,206166691,412331806,824660462, 1649314633] |