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| n | a(n) |
|---|---|
| 1 | 623 |
| 2 | 964 |
| 3 | 1824 |
| 4 | 3696 |
| 5 | 8631 |
| 6 | 20972 |
| 7 | 50587 |
| 8 | 121381 |
| 9 | 289648 |
| 10 | 701088 |
| 11 | 1737609 |
| 12 | 4327355 |
| 13 | 10735123 |
| 14 | 26444233 |
| 15 | 64662794 |
| 16 | 158688694 |
| 17 | 392717716 |
| 18 | 975036966 |
| 19 | 2421077247 |
| 20 | 5990164156 |
| 21 | 14752122313 |
| 22 | 36347205053 |
| 23 | 89808485699 |
| 24 | 222347952612 |
[623,964,1824,3696,8631,20972,50587,121381,289648, 701088,1737609,4327355,10735123,26444233,64662794, 158688694,392717716,975036966,2421077247, 5990164156,14752122313,36347205053,89808485699, 222347952612] |