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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 1 |
| 3 | 5 |
| 4 | 7 |
| 5 | 7 |
| 6 | 17 |
| 7 | 21 |
| 8 | 31 |
| 9 | 55 |
| 10 | 73 |
| 11 | 117 |
| 12 | 183 |
| 13 | 263 |
| 14 | 417 |
| 15 | 629 |
| 16 | 943 |
| 17 | 1463 |
| 18 | 2201 |
| 19 | 3349 |
| 20 | 5127 |
| 21 | 7751 |
| 22 | 11825 |
| 23 | 18005 |
| 24 | 27327 |
| 25 | 41655 |
| 26 | 63337 |
| 27 | 96309 |
| 28 | 146647 |
| 29 | 222983 |
| 30 | 339265 |
| 31 | 516277 |
| 32 | 785231 |
| 33 | 1194807 |
| 34 | 1817785 |
| 35 | 2765269 |
| 36 | 4207399 |
| 37 | 6400839 |
| 38 | 9737937 |
| 39 | 14815637 |
[1,3,1,5,7,7,17,21,31,55,73,117,183,263,417,629, 943,1463,2201,3349,5127,7751,11825,18005,27327, 41655,63337,96309,146647,222983,339265,516277, 785231,1194807,1817785,2765269,4207399,6400839, 9737937,14815637] |