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| n | a(n) |
|---|---|
| 1 | 23 |
| 2 | 148 |
| 3 | 1031 |
| 4 | 6383 |
| 5 | 38483 |
| 6 | 224960 |
| 7 | 1288693 |
| 8 | 7271509 |
| 9 | 40511381 |
| 10 | 223527424 |
| 11 | 1223021243 |
| 12 | 6646278717 |
| 13 | 35903716877 |
| 14 | 192977652868 |
| 15 | 1032630435883 |
| 16 | 5504232072227 |
| 17 | 29238119105311 |
| 18 | 154834459041646 |
| 19 | 817685821067843 |
[23,148,1031,6383,38483,224960,1288693,7271509, 40511381,223527424,1223021243,6646278717, 35903716877,192977652868,1032630435883, 5504232072227,29238119105311,154834459041646, 817685821067843] |