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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 472 |
| 3 | 6585 |
| 4 | 100823 |
| 5 | 1585983 |
| 6 | 24665530 |
| 7 | 383819990 |
| 8 | 5986258088 |
| 9 | 93328306577 |
| 10 | 1454952779030 |
| 11 | 22685640133832 |
| 12 | 353715560290323 |
| 13 | 5515122085745217 |
| 14 | 85992478815621408 |
| 15 | 1340808323774484535 |
| 16 | 20906094128382868158 |
[16,472,6585,100823,1585983,24665530,383819990, 5986258088,93328306577,1454952779030, 22685640133832,353715560290323,5515122085745217, 85992478815621408,1340808323774484535, 20906094128382868158] |