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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 7 |
| 3 | 13 |
| 4 | 25 |
| 5 | 47 |
| 6 | 89 |
| 7 | 169 |
| 8 | 321 |
| 9 | 599 |
| 10 | 1125 |
| 11 | 2097 |
| 12 | 3925 |
| 13 | 7317 |
| 14 | 13667 |
| 15 | 25389 |
| 16 | 47313 |
| 17 | 87781 |
| 18 | 163265 |
| 19 | 302617 |
| 20 | 562023 |
| 21 | 1040465 |
| 22 | 1929879 |
| 23 | 3569627 |
| 24 | 6613725 |
| 25 | 12223777 |
| 26 | 22626357 |
| 27 | 41790173 |
| 28 | 77289525 |
| 29 | 142665435 |
| 30 | 263661315 |
| 31 | 486420171 |
| 32 | 898372311 |
| 33 | 1656580751 |
| 34 | 3057774587 |
| 35 | 5636030345 |
[1,3,7,13,25,47,89,169,321,599,1125,2097,3925, 7317,13667,25389,47313,87781,163265,302617,562023, 1040465,1929879,3569627,6613725,12223777,22626357, 41790173,77289525,142665435,263661315,486420171, 898372311,1656580751,3057774587,5636030345] |