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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 25 |
| 3 | 362 |
| 4 | 5110 |
| 5 | 69671 |
| 6 | 953726 |
| 7 | 13036446 |
| 8 | 178192422 |
| 9 | 2435768976 |
| 10 | 33294651915 |
| 11 | 455108952124 |
| 12 | 6220940586463 |
| 13 | 85034818039884 |
| 14 | 1162351701934606 |
| 15 | 15888332641640874 |
| 16 | 217179633334137617 |
| 17 | 2968655946926989630 |
[3,25,362,5110,69671,953726,13036446,178192422, 2435768976,33294651915,455108952124,6220940586463, 85034818039884,1162351701934606,15888332641640874, 217179633334137617,2968655946926989630] |