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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 130 |
| 3 | 4376 |
| 4 | 312706 |
| 5 | 20156252 |
| 6 | 1622278624 |
| 7 | 132282417920 |
| 8 | 11716609750402 |
| 9 | 1067553850832372 |
| 10 | 101275413131018380 |
| 11 | 9844149854624122160 |
| 12 | 980597565209377223200 |
| 13 | 99518148302583383833280 |
| 14 | 10272819477206557916630080 |
| 15 | 1075608762378043981968997376 |
[1,2,130,4376,312706,20156252,1622278624, 132282417920,11716609750402,1067553850832372, 101275413131018380,9844149854624122160, 980597565209377223200,99518148302583383833280, 10272819477206557916630080, 1075608762378043981968997376] |