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| n | a(n) |
|---|---|
| 1 | 4581 |
| 2 | 4866 |
| 3 | 5087 |
| 4 | 8941 |
| 5 | 21405 |
| 6 | 50222 |
| 7 | 120128 |
| 8 | 312242 |
| 9 | 762514 |
| 10 | 1878978 |
| 11 | 4952226 |
| 12 | 12363575 |
| 13 | 31123465 |
| 14 | 82567495 |
| 15 | 210479834 |
| 16 | 540052088 |
| 17 | 1440608932 |
| 18 | 3742122672 |
| 19 | 9761698780 |
| 20 | 26154115812 |
| 21 | 69025530491 |
| 22 | 182512931249 |
| 23 | 490665213507 |
[4581,4866,5087,8941,21405,50222,120128,312242, 762514,1878978,4952226,12363575,31123465,82567495, 210479834,540052088,1440608932,3742122672, 9761698780,26154115812,69025530491,182512931249, 490665213507] |