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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 94 |
| 3 | 6628 |
| 4 | 554246 |
| 5 | 50936956 |
| 6 | 4971074892 |
| 7 | 505747739784 |
| 8 | 53048521913478 |
| 9 | 5695802803696236 |
| 10 | 622942370315360004 |
| 11 | 69155891028297395448 |
| 12 | 7772714892571857579036 |
| 13 | 882718626126348791323992 |
| 14 | 101137353917153181195426264 |
| 15 | 11676481964194514316750017040 |
[1,2,94,6628,554246,50936956,4971074892, 505747739784,53048521913478,5695802803696236, 622942370315360004,69155891028297395448, 7772714892571857579036,882718626126348791323992, 101137353917153181195426264, 11676481964194514316750017040] |