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| n | a(n) |
|---|---|
| 0 | 23 |
| 1 | 47 |
| 2 | 117 |
| 3 | 398 |
| 4 | 515 |
| 5 | 2973 |
| 6 | 3488 |
| 7 | 37853 |
| 8 | 41341 |
| 9 | 244558 |
| 10 | 285899 |
| 11 | 1102255 |
| 12 | 2490409 |
| 13 | 6083073 |
| 14 | 282311767 |
| 15 | 570706607 |
| 16 | 1423724981 |
| 17 | 4841881550 |
| 18 | 6265606531 |
| 19 | 36169914205 |
| 20 | 42435520736 |
| 21 | 460525121565 |
[23,47,117,398,515,2973,3488,37853,41341,244558, 285899,1102255,2490409,6083073,282311767, 570706607,1423724981,4841881550,6265606531, 36169914205,42435520736,460525121565] |