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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 8 |
| 3 | 26 |
| 4 | 65 |
| 5 | 143 |
| 6 | 252 |
| 7 | 423 |
| 8 | 650 |
| 9 | 976 |
| 10 | 1391 |
| 11 | 1865 |
| 12 | 2478 |
| 13 | 3168 |
| 14 | 3980 |
| 15 | 4977 |
| 16 | 6136 |
| 17 | 7419 |
| 18 | 8828 |
| 19 | 10476 |
| 20 | 12278 |
| 21 | 14294 |
| 22 | 16612 |
| 23 | 19123 |
| 24 | 21905 |
| 25 | 24903 |
| 26 | 28055 |
| 27 | 31493 |
| 28 | 35319 |
| 29 | 39485 |
| 30 | 44101 |
| 31 | 49115 |
| 32 | 54102 |
| 33 | 59467 |
| 34 | 65142 |
| 35 | 71314 |
| 36 | 77648 |
| 37 | 84503 |
| 38 | 91719 |
| 39 | 99302 |
| 40 | 107364 |
[2,8,26,65,143,252,423,650,976,1391,1865,2478, 3168,3980,4977,6136,7419,8828,10476,12278,14294, 16612,19123,21905,24903,28055,31493,35319,39485, 44101,49115,54102,59467,65142,71314,77648,84503, 91719,99302,107364] |