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| n | a(n) |
|---|---|
| 1 | 560 |
| 2 | 1145 |
| 3 | 2966 |
| 4 | 5629 |
| 5 | 7146 |
| 6 | 19157 |
| 7 | 45596 |
| 8 | 64925 |
| 9 | 134780 |
| 10 | 364807 |
| 11 | 622726 |
| 12 | 1067272 |
| 13 | 2781546 |
| 14 | 5698332 |
| 15 | 9286764 |
| 16 | 21166601 |
| 17 | 48742256 |
| 18 | 84350681 |
| 19 | 166998638 |
| 20 | 396526090 |
| 21 | 759100312 |
| 22 | 1388416581 |
| 23 | 3155150616 |
| 24 | 6602029616 |
| 25 | 12006397572 |
| 26 | 25250015180 |
[560,1145,2966,5629,7146,19157,45596,64925,134780, 364807,622726,1067272,2781546,5698332,9286764, 21166601,48742256,84350681,166998638,396526090, 759100312,1388416581,3155150616,6602029616, 12006397572,25250015180] |