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| n | a(n) |
|---|---|
| 1 | 12 |
| 2 | 142 |
| 3 | 835 |
| 4 | 5798 |
| 5 | 124932 |
| 6 | 853467 |
| 7 | 6536382 |
| 8 | 50852019 |
| 9 | 1234849644 |
| 10 | 9043402501 |
| 11 | 73007772802 |
| 12 | 593742784829 |
| 13 | 4859761676391 |
| 14 | 125320157443726 |
| 15 | 953467954114363 |
| 16 | 7939655757745265 |
| 17 | 66368199913921497 |
| 18 | 556704809728838604 |
| 19 | 4684478925507420069 |
| 20 | 125076091920076709793 |
[12,142,835,5798,124932,853467,6536382,50852019, 1234849644,9043402501,73007772802,593742784829, 4859761676391,125320157443726,953467954114363, 7939655757745265,66368199913921497, 556704809728838604,4684478925507420069, 125076091920076709793] |