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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 323 |
| 4 | 939 |
| 5 | 14341 |
| 6 | 61716 |
| 7 | 1621261 |
| 8 | 9192919 |
| 9 | 324707423 |
| 10 | 509838905 |
| 11 | 30546664503 |
| 12 | 59359795395 |
| 13 | 3329737379233 |
| 14 | 9164547454619 |
[1,4,323,939,14341,61716,1621261,9192919, 324707423,509838905,30546664503,59359795395, 3329737379233,9164547454619] |