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| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 142 |
| 3 | 1066 |
| 4 | 5439 |
| 5 | 21310 |
| 6 | 69331 |
| 7 | 195760 |
| 8 | 495251 |
| 9 | 1146377 |
| 10 | 2467215 |
| 11 | 4994696 |
| 12 | 9599863 |
| 13 | 17642702 |
| 14 | 31185762 |
| 15 | 53268735 |
| 16 | 88272866 |
| 17 | 142374254 |
| 18 | 224127675 |
| 19 | 345174032 |
| 20 | 521130514 |
| 21 | 772646635 |
| 22 | 1126707621 |
| 23 | 1618154572 |
| 24 | 2291530676 |
[10,142,1066,5439,21310,69331,195760,495251, 1146377,2467215,4994696,9599863,17642702,31185762, 53268735,88272866,142374254,224127675,345174032, 521130514,772646635,1126707621,1618154572, 2291530676] |