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| n | a(n) |
|---|---|
| 1 | 25494 |
| 2 | 126894 |
| 3 | 647404 |
| 4 | 3319500 |
| 5 | 16970962 |
| 6 | 86052208 |
| 7 | 430518585 |
| 8 | 2162172742 |
| 9 | 10902502273 |
| 10 | 55078322417 |
| 11 | 278343334238 |
| 12 | 1405766614019 |
| 13 | 7093088366242 |
| 14 | 35779370687575 |
| 15 | 180515721830508 |
| 16 | 910971025811519 |
| 17 | 4597754179265792 |
[25494,126894,647404,3319500,16970962,86052208, 430518585,2162172742,10902502273,55078322417, 278343334238,1405766614019,7093088366242, 35779370687575,180515721830508,910971025811519, 4597754179265792] |