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| n | a(n) |
|---|---|
| 0 | 6 |
| 1 | 18 |
| 2 | 46 |
| 3 | 96 |
| 4 | 188 |
| 5 | 338 |
| 6 | 588 |
| 7 | 974 |
| 8 | 1575 |
| 9 | 2471 |
| 10 | 3803 |
| 11 | 5726 |
| 12 | 8497 |
| 13 | 12399 |
| 14 | 17873 |
| 15 | 25432 |
| 16 | 35817 |
| 17 | 49907 |
| 18 | 68938 |
| 19 | 94377 |
| 20 | 128233 |
| 21 | 172916 |
| 22 | 231629 |
| 23 | 308239 |
| 24 | 407803 |
| 25 | 536411 |
| 26 | 701909 |
| 27 | 913772 |
| 28 | 1184021 |
| 29 | 1527164 |
| 30 | 1961431 |
| 31 | 2508761 |
| 32 | 3196472 |
[6,18,46,96,188,338,588,974,1575,2471,3803,5726, 8497,12399,17873,25432,35817,49907,68938,94377, 128233,172916,231629,308239,407803,536411,701909, 913772,1184021,1527164,1961431,2508761,3196472] |