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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 41 |
| 3 | 61 |
| 4 | 101 |
| 5 | 4181 |
| 6 | 6221 |
| 7 | 10301 |
| 8 | 426421 |
| 9 | 634481 |
| 10 | 1050601 |
| 11 | 43490761 |
| 12 | 64710841 |
| 13 | 107151001 |
| 14 | 4435631201 |
| 15 | 6599871301 |
| 16 | 10928351501 |
| 17 | 452390891741 |
| 18 | 673122161861 |
| 19 | 1114584702101 |
| 20 | 46139435326381 |
| 21 | 68651860638521 |
| 22 | 113676711262801 |
[1,41,61,101,4181,6221,10301,426421,634481, 1050601,43490761,64710841,107151001,4435631201, 6599871301,10928351501,452390891741,673122161861, 1114584702101,46139435326381,68651860638521, 113676711262801] |