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A141141 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 12 |
| 4 | 114 |
| 5 | 1435 |
| 6 | 22219 |
| 7 | 406441 |
| 8 | 8559852 |
| 9 | 203792337 |
| 10 | 5409449156 |
| 11 | 158350300141 |
| 12 | 5066765087000 |
| 13 | 175908765569628 |
| 14 | 6585443884172129 |
| 15 | 264428161094825151 |
| 16 | 11335716352419699208 |
| 17 | 516717363793695685925 |
| 18 | 24955728581736822645816 |
[1,2,12,114,1435,22219,406441,8559852,203792337, 5409449156,158350300141,5066765087000, 175908765569628,6585443884172129, 264428161094825151,11335716352419699208, 516717363793695685925,24955728581736822645816] |