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| n | a(n) |
|---|---|
| 0 | 27 |
| 1 | 28 |
| 2 | 83 |
| 3 | 194 |
| 4 | 2605 |
| 5 | 5404 |
| 6 | 13413 |
| 7 | 18817 |
| 8 | 1029531 |
| 9 | 1048348 |
| 10 | 3126227 |
| 11 | 7300802 |
| 12 | 98036653 |
| 13 | 203374108 |
| 14 | 504784869 |
| 15 | 708158977 |
| 16 | 38745369627 |
| 17 | 39453528604 |
| 18 | 117652426835 |
| 19 | 274758382274 |
| 20 | 3689511396397 |
| 21 | 7653781175068 |
| 22 | 18997073746533 |
| 23 | 26650854921601 |
| 24 | 1458143239512987 |
[27,28,83,194,2605,5404,13413,18817,1029531, 1048348,3126227,7300802,98036653,203374108, 504784869,708158977,38745369627,39453528604, 117652426835,274758382274,3689511396397, 7653781175068,18997073746533,26650854921601, 1458143239512987] |