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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 28 |
| 3 | 84 |
| 4 | 218 |
| 5 | 444 |
| 6 | 808 |
| 7 | 1330 |
| 8 | 2068 |
| 9 | 2996 |
| 10 | 4230 |
| 11 | 5740 |
| 12 | 7552 |
| 13 | 9746 |
| 14 | 12348 |
| 15 | 15304 |
| 16 | 18782 |
| 17 | 22732 |
| 18 | 27144 |
| 19 | 32162 |
| 20 | 37784 |
| 21 | 43912 |
| 22 | 50790 |
| 23 | 58332 |
| 24 | 66496 |
| 25 | 75494 |
| 26 | 85280 |
| 27 | 95736 |
| 28 | 107166 |
| 29 | 119452 |
| 30 | 132524 |
| 31 | 146646 |
| 32 | 161752 |
| 33 | 177688 |
| 34 | 194822 |
| 35 | 213008 |
| 36 | 232132 |
| 37 | 252534 |
[2,28,84,218,444,808,1330,2068,2996,4230,5740, 7552,9746,12348,15304,18782,22732,27144,32162, 37784,43912,50790,58332,66496,75494,85280,95736, 107166,119452,132524,146646,161752,177688,194822, 213008,232132,252534] |