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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 171 |
| 4 | 13203 |
| 5 | 97641 |
| 6 | 354537 |
| 7 | 2354697 |
| 8 | 10970073 |
| 9 | 29884473 |
| 10 | 33894369 |
| 11 | 38265939 |
| 12 | 74214171 |
| 13 | 116226009 |
| 14 | 344380329 |
| 15 | 751611177 |
| 16 | 892145817 |
| 17 | 2595432537 |
| 18 | 4014314433 |
| 19 | 10161972027 |
| 20 | 11852199369 |
| 21 | 13229694441 |
| 22 | 22032887841 |
| 23 | 22230967347 |
| 24 | 22864359897 |
| 25 | 24020090001 |
| 26 | 26761542921 |
| 27 | 27439598619 |
| 28 | 27932906619 |
| 29 | 37498011939 |
| 30 | 166111451217 |
| 31 | 189836046171 |
[1,3,171,13203,97641,354537,2354697,10970073, 29884473,33894369,38265939,74214171,116226009, 344380329,751611177,892145817,2595432537, 4014314433,10161972027,11852199369,13229694441, 22032887841,22230967347,22864359897,24020090001, 26761542921,27439598619,27932906619,37498011939, 166111451217,189836046171] |