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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 25 |
| 3 | 96 |
| 4 | 321 |
| 5 | 1062 |
| 6 | 3645 |
| 7 | 12856 |
| 8 | 45626 |
| 9 | 161604 |
| 10 | 571202 |
| 11 | 2018635 |
| 12 | 7138542 |
| 13 | 25257472 |
| 14 | 89382635 |
| 15 | 316317650 |
| 16 | 1119405165 |
| 17 | 3961434035 |
| 18 | 14019204346 |
| 19 | 49613421418 |
| 20 | 175580918227 |
| 21 | 621378416037 |
| 22 | 2199050475783 |
| 23 | 7782414885011 |
[5,25,96,321,1062,3645,12856,45626,161604,571202, 2018635,7138542,25257472,89382635,316317650, 1119405165,3961434035,14019204346,49613421418, 175580918227,621378416037,2199050475783, 7782414885011] |