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| n | a(n) |
|---|---|
| 0 | 198 |
| 1 | 3834 |
| 2 | 34434 |
| 3 | 230418 |
| 4 | 1327410 |
| 5 | 7005042 |
| 6 | 34949106 |
| 7 | 167809266 |
| 8 | 783885042 |
| 9 | 3587327730 |
| 10 | 16158854898 |
| 11 | 71878385394 |
| 12 | 316494986994 |
| 13 | 1381924896498 |
| 14 | 5991517716210 |
| 15 | 25821420060402 |
| 16 | 110707230375666 |
| 17 | 472515428744946 |
| 18 | 2008808357363442 |
| 19 | 8510221225819890 |
[198,3834,34434,230418,1327410,7005042,34949106, 167809266,783885042,3587327730,16158854898, 71878385394,316494986994,1381924896498, 5991517716210,25821420060402,110707230375666, 472515428744946,2008808357363442,8510221225819890] |