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| n | a(n) |
|---|---|
| 1 | 894 |
| 2 | 6717 |
| 3 | 48980 |
| 4 | 361845 |
| 5 | 2688099 |
| 6 | 20080487 |
| 7 | 149982413 |
| 8 | 1118147932 |
| 9 | 8339278058 |
| 10 | 62282522930 |
| 11 | 465322296567 |
| 12 | 3474970062796 |
| 13 | 25946388026878 |
| 14 | 193774924760383 |
| 15 | 1447385899773104 |
| 16 | 10810627973172104 |
| 17 | 80740157829966698 |
| 18 | 603025339161891324 |
[894,6717,48980,361845,2688099,20080487,149982413, 1118147932,8339278058,62282522930,465322296567, 3474970062796,25946388026878,193774924760383, 1447385899773104,10810627973172104, 80740157829966698,603025339161891324] |