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| n | a(n) |
|---|---|
| 0 | 26 |
| 1 | 325 |
| 2 | 2600 |
| 3 | 14950 |
| 4 | 65780 |
| 5 | 230230 |
| 6 | 657800 |
| 7 | 1562275 |
| 8 | 3087370 |
| 9 | 4964102 |
| 10 | 6255184 |
| 11 | 5922800 |
| 12 | 4022200 |
| 13 | 1838720 |
| 14 | 505648 |
| 15 | 63206 |
[26,325,2600,14950,65780,230230,657800,1562275, 3087370,4964102,6255184,5922800,4022200,1838720, 505648,63206] |