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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 11 |
| 3 | 118 |
| 4 | 1993 |
| 5 | 46386 |
| 6 | 1376059 |
| 7 | 49601014 |
| 8 | 2104366513 |
| 9 | 102717184546 |
| 10 | 5670357524011 |
| 11 | 349304240222070 |
| 12 | 23754501885783673 |
| 13 | 1767641331001915474 |
| 14 | 142868173684094891803 |
| 15 | 12463599550013379095926 |
| 16 | 1167281368458948415748833 |
| 17 | 116814664082977998388994370 |
| 18 | 12440156205235958837516345419 |
[1,2,11,118,1993,46386,1376059,49601014, 2104366513,102717184546,5670357524011, 349304240222070,23754501885783673, 1767641331001915474,142868173684094891803, 12463599550013379095926,1167281368458948415748833, 116814664082977998388994370, 12440156205235958837516345419] |