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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 6 |
| 4 | 25 |
| 5 | 36 |
| 6 | 294 |
| 7 | 368 |
| 8 | 1528 |
| 9 | 2484 |
| 10 | 9134 |
| 11 | 14149 |
| 12 | 309394 |
| 13 | 338144 |
| 14 | 1088916 |
| 15 | 2036379 |
| 16 | 8135079 |
| 17 | 11985949 |
| 18 | 85274614 |
| 19 | 109840952 |
| 20 | 443748960 |
| 21 | 721070985 |
| 22 | 2618157358 |
| 23 | 4074809442 |
| 24 | 52689585877 |
| 25 | 60956862781 |
| 26 | 202828562711 |
[1,1,3,6,25,36,294,368,1528,2484,9134,14149, 309394,338144,1088916,2036379,8135079,11985949, 85274614,109840952,443748960,721070985,2618157358, 4074809442,52689585877,60956862781,202828562711] |