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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 25 |
| 3 | 95 |
| 4 | 295 |
| 5 | 821 |
| 6 | 2227 |
| 7 | 6254 |
| 8 | 18394 |
| 9 | 55285 |
| 10 | 165563 |
| 11 | 489488 |
| 12 | 1433536 |
| 13 | 4188613 |
| 14 | 12268735 |
| 15 | 36052642 |
| 16 | 106118146 |
| 17 | 312319987 |
| 18 | 918413167 |
| 19 | 2698818913 |
| 20 | 7929048609 |
| 21 | 23298823959 |
| 22 | 68477103061 |
| 23 | 201284983126 |
| 24 | 591668573686 |
| 25 | 1739085580405 |
[5,25,95,295,821,2227,6254,18394,55285,165563, 489488,1433536,4188613,12268735,36052642, 106118146,312319987,918413167,2698818913, 7929048609,23298823959,68477103061,201284983126, 591668573686,1739085580405] |