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| n | a(n) |
|---|---|
| 1 | 4351908 |
| 2 | 52034327 |
| 3 | 240716320 |
| 4 | 197326142 |
| 5 | 742483152 |
| 6 | 1249946456 |
| 7 | 3756830312 |
| 8 | 14833693096 |
| 9 | 43837197480 |
| 10 | 151675299240 |
| 11 | 570693507496 |
| 12 | 2008409942440 |
| 13 | 7196492523944 |
| 14 | 27787520567720 |
| 15 | 104832812624296 |
| 16 | 392237057943976 |
[4351908,52034327,240716320,197326142,742483152, 1249946456,3756830312,14833693096,43837197480, 151675299240,570693507496,2008409942440, 7196492523944,27787520567720,104832812624296, 392237057943976] |