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| n | a(n) |
|---|---|
| 1 | 12981 |
| 2 | 292176 |
| 3 | 6799917 |
| 4 | 160133604 |
| 5 | 3756442630 |
| 6 | 88011173220 |
| 7 | 2067349618435 |
| 8 | 48473348771212 |
| 9 | 1137529676425732 |
| 10 | 26670004318339992 |
| 11 | 626193786703761388 |
| 12 | 14680761625172316224 |
| 13 | 344614066748843613158 |
| 14 | 8079594620572921715820 |
[12981,292176,6799917,160133604,3756442630, 88011173220,2067349618435,48473348771212, 1137529676425732,26670004318339992, 626193786703761388,14680761625172316224, 344614066748843613158,8079594620572921715820] |