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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 7 |
| 2 | 47 |
| 3 | 139 |
| 4 | 283 |
| 5 | 503 |
| 6 | 797 |
| 7 | 1151 |
| 8 | 1579 |
| 9 | 2089 |
| 10 | 2689 |
| 11 | 3361 |
| 12 | 4099 |
| 13 | 4967 |
| 14 | 5861 |
| 15 | 6883 |
| 16 | 8011 |
| 17 | 9199 |
| 18 | 10457 |
| 19 | 11903 |
| 20 | 13313 |
| 21 | 14887 |
| 22 | 16547 |
| 23 | 18269 |
| 24 | 20161 |
| 25 | 22091 |
| 26 | 24083 |
| 27 | 26297 |
| 28 | 28573 |
| 29 | 30941 |
| 30 | 33347 |
| 31 | 35899 |
| 32 | 38593 |
| 33 | 41299 |
| 34 | 44111 |
| 35 | 47149 |
| 36 | 50131 |
| 37 | 53327 |
| 38 | 56597 |
[2,7,47,139,283,503,797,1151,1579,2089,2689,3361, 4099,4967,5861,6883,8011,9199,10457,11903,13313, 14887,16547,18269,20161,22091,24083,26297,28573, 30941,33347,35899,38593,41299,44111,47149,50131, 53327,56597] |