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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 12 |
| 3 | 16 |
| 4 | 22 |
| 5 | 34 |
| 6 | 40 |
| 7 | 72 |
| 8 | 198 |
| 9 | 220 |
| 10 | 348 |
| 11 | 376 |
| 12 | 552 |
| 13 | 594 |
| 14 | 814 |
| 15 | 972 |
| 16 | 3168 |
| 17 | 3702 |
| 18 | 3834 |
| 19 | 4642 |
| 20 | 5116 |
| 21 | 9720 |
| 22 | 20434 |
| 23 | 53692 |
| 24 | 123678 |
| 25 | 147802 |
| 26 | 204516 |
| 27 | 398928 |
[6,12,16,22,34,40,72,198,220,348,376,552,594,814, 972,3168,3702,3834,4642,5116,9720,20434,53692, 123678,147802,204516,398928] |