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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 21 |
| 4 | 49 |
| 5 | 101 |
| 6 | 193 |
| 7 | 351 |
| 8 | 617 |
| 9 | 1059 |
| 10 | 1787 |
| 11 | 2979 |
| 12 | 4923 |
| 13 | 8085 |
| 14 | 13219 |
| 15 | 21545 |
| 16 | 35037 |
| 17 | 56889 |
| 18 | 92269 |
| 19 | 149539 |
| 20 | 242229 |
| 21 | 392231 |
| 22 | 634967 |
| 23 | 1027751 |
| 24 | 1663319 |
| 25 | 2691721 |
| 26 | 4355743 |
| 27 | 7048221 |
| 28 | 11404777 |
| 29 | 18453869 |
| 30 | 29859577 |
| 31 | 48314439 |
| 32 | 78175073 |
| 33 | 126490635 |
[1,7,21,49,101,193,351,617,1059,1787,2979,4923, 8085,13219,21545,35037,56889,92269,149539,242229, 392231,634967,1027751,1663319,2691721,4355743, 7048221,11404777,18453869,29859577,48314439, 78175073,126490635] |