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| n | a(n) |
|---|---|
| 1 | 23524 |
| 2 | 43220 |
| 3 | 266074 |
| 4 | 516928 |
| 5 | 2643738 |
| 6 | 6728458 |
| 7 | 30117394 |
| 8 | 99695754 |
| 9 | 410717008 |
| 10 | 1591420928 |
| 11 | 6344648498 |
| 12 | 26357450662 |
| 13 | 104485597870 |
| 14 | 444408917696 |
| 15 | 1769592165032 |
| 16 | 7587288988852 |
| 17 | 30401383873084 |
| 18 | 130670139426506 |
[23524,43220,266074,516928,2643738,6728458, 30117394,99695754,410717008,1591420928,6344648498, 26357450662,104485597870,444408917696, 1769592165032,7587288988852,30401383873084, 130670139426506] |