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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 101 |
| 3 | 2026 |
| 4 | 33407 |
| 5 | 645970 |
| 6 | 11800402 |
| 7 | 211057159 |
| 8 | 3846342121 |
| 9 | 70050139103 |
| 10 | 1273134867769 |
| 11 | 23158212416004 |
| 12 | 421168937252570 |
| 13 | 7658668692237200 |
| 14 | 139281021815759142 |
| 15 | 2532960317909556863 |
| 16 | 46063788501768631565 |
[6,101,2026,33407,645970,11800402,211057159, 3846342121,70050139103,1273134867769, 23158212416004,421168937252570,7658668692237200, 139281021815759142,2532960317909556863, 46063788501768631565] |