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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 5 |
| 5 | 7 |
| 6 | 29 |
| 7 | 62 |
| 8 | 201 |
| 9 | 506 |
| 10 | 1429 |
| 11 | 3569 |
| 12 | 9113 |
| 13 | 21660 |
| 14 | 50866 |
| 15 | 114049 |
| 16 | 250256 |
| 17 | 530471 |
| 18 | 1099354 |
| 19 | 2215994 |
| 20 | 4372347 |
| 21 | 8429664 |
| 22 | 15937900 |
| 23 | 29540515 |
| 24 | 53798630 |
| 25 | 96288505 |
| 26 | 169633646 |
| 27 | 294284184 |
| 28 | 503311347 |
| 29 | 849051903 |
| 30 | 1413975513 |
| 31 | 2325798623 |
| 32 | 3781205230 |
| 33 | 6078784401 |
| 34 | 9669020265 |
| 35 | 15223385340 |
[1,0,1,1,5,7,29,62,201,506,1429,3569,9113,21660, 50866,114049,250256,530471,1099354,2215994, 4372347,8429664,15937900,29540515,53798630, 96288505,169633646,294284184,503311347,849051903, 1413975513,2325798623,3781205230,6078784401, 9669020265,15223385340] |