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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 5 |
| 5 | 8 |
| 6 | 17 |
| 7 | 31 |
| 8 | 63 |
| 9 | 129 |
| 10 | 244 |
| 11 | 458 |
| 12 | 860 |
| 13 | 1544 |
| 14 | 2721 |
| 15 | 4734 |
| 16 | 8044 |
| 17 | 13423 |
| 18 | 22097 |
| 19 | 35750 |
| 20 | 57052 |
| 21 | 89944 |
| 22 | 139918 |
| 23 | 215240 |
| 24 | 327754 |
| 25 | 493888 |
| 26 | 737327 |
| 27 | 1091368 |
| 28 | 1601767 |
| 29 | 2332587 |
| 30 | 3372198 |
| 31 | 4840788 |
| 32 | 6903176 |
| 33 | 9783032 |
| 34 | 13780976 |
| 35 | 19302810 |
| 36 | 26891801 |
[1,1,3,5,8,17,31,63,129,244,458,860,1544,2721, 4734,8044,13423,22097,35750,57052,89944,139918, 215240,327754,493888,737327,1091368,1601767, 2332587,3372198,4840788,6903176,9783032,13780976, 19302810,26891801] |