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| n | a(n) |
|---|---|
| 1 | 130 |
| 2 | 272 |
| 3 | 822 |
| 4 | 2290 |
| 5 | 6164 |
| 6 | 17008 |
| 7 | 47094 |
| 8 | 129530 |
| 9 | 356572 |
| 10 | 982904 |
| 11 | 2707976 |
| 12 | 7459326 |
| 13 | 20550724 |
| 14 | 56618068 |
| 15 | 155978958 |
| 16 | 429715562 |
| 17 | 1183856500 |
| 18 | 3261484928 |
| 19 | 8985276082 |
| 20 | 24754144796 |
| 21 | 68196859814 |
| 22 | 187880079930 |
| 23 | 517603410590 |
| 24 | 1425980330978 |
[130,272,822,2290,6164,17008,47094,129530,356572, 982904,2707976,7459326,20550724,56618068, 155978958,429715562,1183856500,3261484928, 8985276082,24754144796,68196859814,187880079930, 517603410590,1425980330978] |