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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 11 |
| 4 | 14 |
| 5 | 235 |
| 6 | 1894 |
| 7 | 4023 |
| 8 | 5917 |
| 9 | 9940 |
| 10 | 55617 |
| 11 | 1400365 |
| 12 | 7057442 |
| 13 | 8457807 |
| 14 | 15515249 |
| 15 | 39488305 |
| 16 | 331421689 |
| 17 | 5342235329 |
| 18 | 5673657018 |
| 19 | 22363206383 |
| 20 | 28036863401 |
| 21 | 78436933185 |
| 22 | 3949883522651 |
| 23 | 7978203978487 |
| 24 | 11928087501138 |
| 25 | 43762466481901 |
[1,2,3,11,14,235,1894,4023,5917,9940,55617, 1400365,7057442,8457807,15515249,39488305, 331421689,5342235329,5673657018,22363206383, 28036863401,78436933185,3949883522651, 7978203978487,11928087501138,43762466481901] |