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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 28 |
| 3 | 34 |
| 4 | 70 |
| 5 | 90 |
| 6 | 158 |
| 7 | 280 |
| 8 | 320 |
| 9 | 448 |
| 10 | 1240 |
| 11 | 3700 |
| 12 | 6608 |
| 13 | 7508 |
| 14 | 23514 |
| 15 | 34144 |
| 16 | 74760 |
| 17 | 118920 |
| 18 | 131668 |
| 19 | 353700 |
| 20 | 863568 |
| 21 | 915684 |
[8,28,34,70,90,158,280,320,448,1240,3700,6608, 7508,23514,34144,74760,118920,131668,353700, 863568,915684] |