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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 8 |
| 3 | 638 |
| 4 | 6931 |
| 5 | 572671 |
| 6 | 6223778 |
| 7 | 514257668 |
| 8 | 5588945461 |
| 9 | 461802812941 |
| 10 | 5018866799948 |
| 11 | 414698411763098 |
| 12 | 4506936797407591 |
| 13 | 372398711960448811 |
| 14 | 4047224225205216518 |
| 15 | 334413628642071268928 |
| 16 | 3634402847297487025321 |
| 17 | 300303066121868039048281 |
[1,8,638,6931,572671,6223778,514257668,5588945461, 461802812941,5018866799948,414698411763098, 4506936797407591,372398711960448811, 4047224225205216518,334413628642071268928, 3634402847297487025321,300303066121868039048281] |