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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 69 |
| 3 | 43 |
| 4 | 130 |
| 5 | 308 |
| 6 | 515 |
| 7 | 1084 |
| 8 | 2374 |
| 9 | 4754 |
| 10 | 10042 |
| 11 | 21207 |
| 12 | 44405 |
| 13 | 93926 |
| 14 | 196545 |
| 15 | 415228 |
| 16 | 877028 |
| 17 | 1844607 |
| 18 | 3908606 |
| 19 | 8255033 |
| 20 | 17418152 |
| 21 | 36906038 |
| 22 | 78043557 |
| 23 | 165022448 |
| 24 | 349534285 |
| 25 | 739762655 |
| 26 | 1565641561 |
| 27 | 3315996470 |
| 28 | 7021318129 |
[16,69,43,130,308,515,1084,2374,4754,10042,21207, 44405,93926,196545,415228,877028,1844607,3908606, 8255033,17418152,36906038,78043557,165022448, 349534285,739762655,1565641561,3315996470, 7021318129] |