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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 5 |
| 5 | 10 |
| 6 | 11 |
| 7 | 14 |
| 8 | 37 |
| 9 | 85 |
| 10 | 139 |
| 11 | 204 |
| 12 | 371 |
| 13 | 768 |
| 14 | 1432 |
| 15 | 2398 |
| 16 | 4117 |
| 17 | 7685 |
| 18 | 14422 |
| 19 | 25744 |
| 20 | 45037 |
| 21 | 80888 |
| 22 | 148408 |
| 23 | 269402 |
| 24 | 480873 |
| 25 | 859580 |
| 26 | 1554254 |
| 27 | 2817518 |
| 28 | 5074004 |
| 29 | 9103828 |
| 30 | 16384908 |
| 31 | 29588793 |
| 32 | 53381548 |
| 33 | 96068570 |
| 34 | 172864927 |
| 35 | 311535484 |
| 36 | 561770980 |
| 37 | 1012168575 |
[1,1,0,1,5,10,11,14,37,85,139,204,371,768,1432, 2398,4117,7685,14422,25744,45037,80888,148408, 269402,480873,859580,1554254,2817518,5074004, 9103828,16384908,29588793,53381548,96068570, 172864927,311535484,561770980,1012168575] |