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| n | a(n) |
|---|---|
| 1 | 86 |
| 2 | 561 |
| 3 | 2799 |
| 4 | 11642 |
| 5 | 42136 |
| 6 | 135738 |
| 7 | 398282 |
| 8 | 1080962 |
| 9 | 2742442 |
| 10 | 6562552 |
| 11 | 14924881 |
| 12 | 32441051 |
| 13 | 67731876 |
| 14 | 136394979 |
| 15 | 265881588 |
| 16 | 503206400 |
| 17 | 927099641 |
| 18 | 1666476136 |
| 19 | 2928247968 |
| 20 | 5038451724 |
| 21 | 8502451244 |
| 22 | 14091189678 |
| 23 | 22963981249 |
| 24 | 36840064368 |
[86,561,2799,11642,42136,135738,398282,1080962, 2742442,6562552,14924881,32441051,67731876, 136394979,265881588,503206400,927099641, 1666476136,2928247968,5038451724,8502451244, 14091189678,22963981249,36840064368] |