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| n | a(n) |
|---|---|
| 1 | 1523 |
| 2 | 7995 |
| 3 | 40199 |
| 4 | 316921 |
| 5 | 2265637 |
| 6 | 19772641 |
| 7 | 163853211 |
| 8 | 1470283561 |
| 9 | 12922658673 |
| 10 | 117130624281 |
| 11 | 1053941222501 |
| 12 | 9597003044005 |
| 13 | 87182660323649 |
| 14 | 795698692769187 |
| 15 | 7257199324152419 |
| 16 | 66312291235989759 |
| 17 | 605826618814826233 |
[1523,7995,40199,316921,2265637,19772641, 163853211,1470283561,12922658673,117130624281, 1053941222501,9597003044005,87182660323649, 795698692769187,7257199324152419, 66312291235989759,605826618814826233] |