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| n | a(n) |
|---|---|
| 1 | 10267951 |
| 2 | 72108421 |
| 3 | 111291181 |
| 4 | 139952671 |
| 5 | 1588247851 |
| 6 | 6004532941 |
| 7 | 7200256261 |
| 8 | 8815102297 |
| 9 | 9001235881 |
| 10 | 10884042841 |
| 11 | 15989367241 |
| 12 | 18500666251 |
| 13 | 23729234761 |
| 14 | 34268731321 |
| 15 | 34558584607 |
| 16 | 37870128451 |
| 17 | 74689102411 |
| 18 | 77538554731 |
| 19 | 121254376891 |
| 20 | 149842746691 |
| 21 | 187054437571 |
[10267951,72108421,111291181,139952671,1588247851, 6004532941,7200256261,8815102297,9001235881, 10884042841,15989367241,18500666251,23729234761, 34268731321,34558584607,37870128451,74689102411, 77538554731,121254376891,149842746691, 187054437571] |