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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 17 |
| 3 | 41 |
| 4 | 95 |
| 5 | 219 |
| 6 | 493 |
| 7 | 1101 |
| 8 | 2427 |
| 9 | 5311 |
| 10 | 11529 |
| 11 | 24881 |
| 12 | 53399 |
| 13 | 114083 |
| 14 | 242725 |
| 15 | 514581 |
| 16 | 1087411 |
| 17 | 2291335 |
| 18 | 4815681 |
| 19 | 10097401 |
| 20 | 21126863 |
| 21 | 44117867 |
| 22 | 91963997 |
| 23 | 191384541 |
| 24 | 397682155 |
| 25 | 825190479 |
| 26 | 1710033273 |
| 27 | 3539371201 |
| 28 | 7317351687 |
[7,17,41,95,219,493,1101,2427,5311,11529,24881, 53399,114083,242725,514581,1087411,2291335, 4815681,10097401,21126863,44117867,91963997, 191384541,397682155,825190479,1710033273, 3539371201,7317351687] |