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| n | a(n) |
|---|---|
| 2 | -1 |
| 3 | 76 |
| 4 | 6 |
| 5 | 15612 |
| 6 | 60466165 |
| 7 | 823512 |
| 8 | 262122 |
| 9 | 32 |
| 10 | 99999945 |
| 11 | 1771460 |
| 12 | 110 |
| 13 | 2052 |
| 14 | 289254654871 |
| 15 | 8649755859206 |
| 16 | 18446744073709551480 |
| 17 | 83264 |
| 18 | 1338258845052394702439737982907 |
| 19 | 893871504 |
| 20 | 10239999999942 |
| 21 | 1801088480 |
| 22 | 189 |
| 23 | 148035426 |
| 24 | 13501 |
| 25 | 244140456 |
| 26 | 3670344486987375 |
[-1,76,6,15612,60466165,823512,262122,32,99999945, 1771460,110,2052,289254654871,8649755859206, 18446744073709551480,83264, 1338258845052394702439737982907,893871504, 10239999999942,1801088480,189,148035426,13501, 244140456,3670344486987375] |