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| n | a(n) |
|---|---|
| 3 | 11 |
| 4 | 28 |
| 5 | 42 |
| 6 | 115 |
| 7 | 226 |
| 8 | 476 |
| 9 | 1127 |
| 10 | 2694 |
| 11 | 5755 |
| 12 | 12499 |
| 13 | 26899 |
| 14 | 59028 |
| 15 | 129996 |
| 16 | 285676 |
| 17 | 626214 |
| 18 | 1373389 |
| 19 | 3007341 |
| 20 | 6596558 |
| 21 | 14464993 |
| 22 | 31714423 |
| 23 | 69538570 |
| 24 | 152476187 |
| 25 | 334322317 |
| 26 | 733081405 |
| 27 | 1607340800 |
| 28 | 3524290756 |
| 29 | 7727466819 |
| 30 | 16943507850 |
| 31 | 37151150822 |
| 32 | 81459270636 |
[11,28,42,115,226,476,1127,2694,5755,12499,26899, 59028,129996,285676,626214,1373389,3007341, 6596558,14464993,31714423,69538570,152476187, 334322317,733081405,1607340800,3524290756, 7727466819,16943507850,37151150822,81459270636] |