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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 73 |
| 4 | 2849 |
| 5 | 277921 |
| 6 | 65067905 |
| 7 | 35545840513 |
| 8 | 44384640206849 |
| 9 | 124697899490480641 |
| 10 | 778525887500557625345 |
| 11 | 10693248499002776513697793 |
| 12 | 320453350845793018626300755969 |
| 13 | 20807125028666778079876193487790081 |
| 14 | 2909872870574162514727072641529432735745 |
[1,1,5,73,2849,277921,65067905,35545840513, 44384640206849,124697899490480641, 778525887500557625345,10693248499002776513697793, 320453350845793018626300755969, 20807125028666778079876193487790081, 2909872870574162514727072641529432735745] |