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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 26 |
| 3 | 27 |
| 4 | 1430 |
| 5 | 1457 |
| 6 | 37855 |
| 7 | 39312 |
| 8 | 2082079 |
| 9 | 2121391 |
| 10 | 55116854 |
| 11 | 57238245 |
| 12 | 3031505594 |
| 13 | 3088743839 |
| 14 | 80250101569 |
| 15 | 83338845408 |
| 16 | 4413870062785 |
| 17 | 4497208908193 |
| 18 | 116844092767610 |
| 19 | 121341301675803 |
| 20 | 6426591779909366 |
| 21 | 6547933081585169 |
| 22 | 170124918819538591 |
[1,1,26,27,1430,1457,37855,39312,2082079,2121391, 55116854,57238245,3031505594,3088743839, 80250101569,83338845408,4413870062785, 4497208908193,116844092767610,121341301675803, 6426591779909366,6547933081585169, 170124918819538591] |