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| n | a(n) |
|---|---|
| 1 | 36 |
| 2 | 49 |
| 3 | 109 |
| 4 | 209 |
| 5 | 436 |
| 6 | 828 |
| 7 | 1744 |
| 8 | 3344 |
| 9 | 7005 |
| 10 | 13424 |
| 11 | 28067 |
| 12 | 53992 |
| 13 | 112602 |
| 14 | 216997 |
| 15 | 451535 |
| 16 | 872258 |
| 17 | 1811173 |
| 18 | 3505729 |
| 19 | 7264641 |
| 20 | 14089470 |
| 21 | 29141208 |
| 22 | 56621872 |
| 23 | 116900698 |
| 24 | 227536583 |
| 25 | 468975418 |
| 26 | 914316503 |
| 27 | 1881490568 |
| 28 | 3673849908 |
[36,49,109,209,436,828,1744,3344,7005,13424,28067, 53992,112602,216997,451535,872258,1811173,3505729, 7264641,14089470,29141208,56621872,116900698, 227536583,468975418,914316503,1881490568, 3673849908] |