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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 8 |
| 4 | 27 |
| 5 | 59 |
| 6 | 188 |
| 7 | 384 |
| 8 | 427 |
| 9 | 2525 |
| 10 | 71429 |
| 11 | 80727 |
| 12 | 357492 |
| 13 | 13200877 |
| 14 | 65161876 |
| 15 | 7439912342 |
| 16 | 15555881542 |
| 17 | 71559279848 |
| 18 | 116275866868 |
| 19 | 345574982189 |
| 20 | 737460049244 |
| 21 | 9183275685671 |
| 22 | 12641946167319 |
| 23 | 126181443702371 |
[1,4,8,27,59,188,384,427,2525,71429,80727,357492, 13200877,65161876,7439912342,15555881542, 71559279848,116275866868,345574982189, 737460049244,9183275685671,12641946167319, 126181443702371] |