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| n | a(n) |
|---|---|
| 0 | 21 |
| 1 | 22 |
| 2 | 43 |
| 3 | 65 |
| 4 | 173 |
| 5 | 238 |
| 6 | 411 |
| 7 | 649 |
| 8 | 27669 |
| 9 | 28318 |
| 10 | 55987 |
| 11 | 84305 |
| 12 | 224597 |
| 13 | 308902 |
| 14 | 533499 |
| 15 | 842401 |
| 16 | 35914341 |
| 17 | 36756742 |
| 18 | 72671083 |
| 19 | 109427825 |
| 20 | 291526733 |
| 21 | 400954558 |
| 22 | 692481291 |
| 23 | 1093435849 |
| 24 | 46616786949 |
| 25 | 47710222798 |
| 26 | 94327009747 |
| 27 | 142037232545 |
| 28 | 378401474837 |
[21,22,43,65,173,238,411,649,27669,28318,55987, 84305,224597,308902,533499,842401,35914341, 36756742,72671083,109427825,291526733,400954558, 692481291,1093435849,46616786949,47710222798, 94327009747,142037232545,378401474837] |