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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 17 |
| 3 | 25 |
| 4 | 53 |
| 5 | 85 |
| 6 | 137 |
| 7 | 305 |
| 8 | 493 |
| 9 | 797 |
| 10 | 1777 |
| 11 | 2873 |
| 12 | 4645 |
| 13 | 10357 |
| 14 | 16745 |
| 15 | 27073 |
| 16 | 60365 |
| 17 | 97597 |
| 18 | 157793 |
| 19 | 351833 |
| 20 | 568837 |
| 21 | 919685 |
| 22 | 2050633 |
| 23 | 3315425 |
| 24 | 5360317 |
| 25 | 11951965 |
| 26 | 19323713 |
| 27 | 31242217 |
| 28 | 69661157 |
| 29 | 112626853 |
| 30 | 182092985 |
| 31 | 406014977 |
| 32 | 656437405 |
[13,17,25,53,85,137,305,493,797,1777,2873,4645, 10357,16745,27073,60365,97597,157793,351833, 568837,919685,2050633,3315425,5360317,11951965, 19323713,31242217,69661157,112626853,182092985, 406014977,656437405] |