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| n | a(n) |
|---|---|
| 0 | 17 |
| 1 | 18 |
| 2 | 35 |
| 3 | 403 |
| 4 | 2050 |
| 5 | 2453 |
| 6 | 9409 |
| 7 | 162406 |
| 8 | 496627 |
| 9 | 659033 |
| 10 | 3791792 |
| 11 | 42368745 |
| 12 | 46160537 |
| 13 | 88529282 |
| 14 | 3056156125 |
| 15 | 3144685407 |
| 16 | 6200841532 |
| 17 | 71353942259 |
| 18 | 362970552827 |
| 19 | 434324495086 |
| 20 | 1665944038085 |
| 21 | 28755373142531 |
[17,18,35,403,2050,2453,9409,162406,496627,659033, 3791792,42368745,46160537,88529282,3056156125, 3144685407,6200841532,71353942259,362970552827, 434324495086,1665944038085,28755373142531] |