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| n | a(n) |
|---|---|
| 1 | 673 |
| 2 | 12593 |
| 3 | 231713 |
| 4 | 4279065 |
| 5 | 79003521 |
| 6 | 1458813409 |
| 7 | 26937444801 |
| 8 | 497411686793 |
| 9 | 9184935953377 |
| 10 | 169604155276817 |
| 11 | 3131820756402657 |
| 12 | 57830550281200505 |
| 13 | 1067868451774107585 |
| 14 | 19718695887361293761 |
| 15 | 364115043587212161409 |
[673,12593,231713,4279065,79003521,1458813409, 26937444801,497411686793,9184935953377, 169604155276817,3131820756402657, 57830550281200505,1067868451774107585, 19718695887361293761,364115043587212161409] |