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| n | a(n) |
|---|---|
| 0 | 7 |
| 1 | 87 |
| 2 | 335 |
| 3 | 847 |
| 4 | 1719 |
| 5 | 3047 |
| 6 | 4927 |
| 7 | 7455 |
| 8 | 10727 |
| 9 | 14839 |
| 10 | 19887 |
| 11 | 25967 |
| 12 | 33175 |
| 13 | 41607 |
| 14 | 51359 |
| 15 | 62527 |
| 16 | 75207 |
| 17 | 89495 |
| 18 | 105487 |
| 19 | 123279 |
| 20 | 142967 |
| 21 | 164647 |
| 22 | 188415 |
| 23 | 214367 |
| 24 | 242599 |
| 25 | 273207 |
| 26 | 306287 |
| 27 | 341935 |
| 28 | 380247 |
| 29 | 421319 |
| 30 | 465247 |
| 31 | 512127 |
| 32 | 562055 |
| 33 | 615127 |
| 34 | 671439 |
| 35 | 731087 |
[7,87,335,847,1719,3047,4927,7455,10727,14839, 19887,25967,33175,41607,51359,62527,75207,89495, 105487,123279,142967,164647,188415,214367,242599, 273207,306287,341935,380247,421319,465247,512127, 562055,615127,671439,731087] |