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| n | a(n) |
|---|---|
| 0 | 27 |
| 1 | 28 |
| 2 | 55 |
| 3 | 963 |
| 4 | 1018 |
| 5 | 6053 |
| 6 | 31283 |
| 7 | 37336 |
| 8 | 665995 |
| 9 | 703331 |
| 10 | 1369326 |
| 11 | 74646935 |
| 12 | 76016261 |
| 13 | 150663196 |
| 14 | 2637290593 |
| 15 | 2787953789 |
| 16 | 16577059538 |
| 17 | 85673251479 |
| 18 | 102250311017 |
| 19 | 1823928538768 |
| 20 | 1926178849785 |
| 21 | 3750107388553 |
| 22 | 204431977831647 |
| 23 | 208182085220200 |
| 24 | 412614063051847 |
[27,28,55,963,1018,6053,31283,37336,665995,703331, 1369326,74646935,76016261,150663196,2637290593, 2787953789,16577059538,85673251479,102250311017, 1823928538768,1926178849785,3750107388553, 204431977831647,208182085220200,412614063051847] |