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| n | a(n) |
|---|---|
| 1 | 486 |
| 2 | 4158 |
| 3 | 36478 |
| 4 | 323806 |
| 5 | 2873148 |
| 6 | 25443411 |
| 7 | 225349124 |
| 8 | 1996606633 |
| 9 | 17681948366 |
| 10 | 156641245984 |
| 11 | 1387300479906 |
| 12 | 12289075854961 |
| 13 | 108845097936910 |
| 14 | 964139798847513 |
| 15 | 8539702188030050 |
| 16 | 75642295014975612 |
| 17 | 669998300863075442 |
[486,4158,36478,323806,2873148,25443411,225349124, 1996606633,17681948366,156641245984,1387300479906, 12289075854961,108845097936910,964139798847513, 8539702188030050,75642295014975612, 669998300863075442] |