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| n | a(n) |
|---|---|
| 0 | 12 |
| 1 | 13 |
| 2 | 155 |
| 3 | 168 |
| 4 | 4187 |
| 5 | 4355 |
| 6 | 52092 |
| 7 | 56447 |
| 8 | 1406820 |
| 9 | 1463267 |
| 10 | 17502757 |
| 11 | 18966024 |
| 12 | 472687333 |
| 13 | 491653357 |
| 14 | 5880874260 |
| 15 | 6372527617 |
| 16 | 158821537068 |
| 17 | 165194064685 |
| 18 | 1975956248603 |
| 19 | 2141150313288 |
| 20 | 53363563767515 |
| 21 | 55504714080803 |
| 22 | 663915418656348 |
| 23 | 719420132737151 |
[12,13,155,168,4187,4355,52092,56447,1406820, 1463267,17502757,18966024,472687333,491653357, 5880874260,6372527617,158821537068,165194064685, 1975956248603,2141150313288,53363563767515, 55504714080803,663915418656348,719420132737151] |