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| n | a(n) |
|---|---|
| 8 | 25487 |
| 9 | 90109 |
| 10 | 313227 |
| 11 | 1075779 |
| 12 | 3664639 |
| 13 | 12428079 |
| 14 | 42093128 |
| 15 | 142688017 |
| 16 | 483906047 |
| 17 | 1638376021 |
| 18 | 5541334459 |
| 19 | 18729561715 |
| 20 | 63275481431 |
| 21 | 213681064592 |
| 22 | 721310561099 |
| 23 | 2433924343697 |
| 24 | 8209820143631 |
| 25 | 27683715067731 |
| 26 | 93324018400711 |
| 27 | 314521905629719 |
| 28 | 1059754354487392 |
[25487,90109,313227,1075779,3664639,12428079, 42093128,142688017,483906047,1638376021, 5541334459,18729561715,63275481431,213681064592, 721310561099,2433924343697,8209820143631, 27683715067731,93324018400711,314521905629719, 1059754354487392] |