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| n | a(n) |
|---|---|
| 1 | 2478 |
| 2 | 3196 |
| 3 | 8056 |
| 4 | 16095 |
| 5 | 21594 |
| 6 | 48788 |
| 7 | 104308 |
| 8 | 173103 |
| 9 | 341748 |
| 10 | 744619 |
| 11 | 1358260 |
| 12 | 2565577 |
| 13 | 5470804 |
| 14 | 10614658 |
| 15 | 19796560 |
| 16 | 40837698 |
| 17 | 81880380 |
| 18 | 154619606 |
| 19 | 308916626 |
| 20 | 626419385 |
| 21 | 1206215390 |
| 22 | 2364580587 |
| 23 | 4777393178 |
| 24 | 9359594548 |
| 25 | 18228148840 |
[2478,3196,8056,16095,21594,48788,104308,173103, 341748,744619,1358260,2565577,5470804,10614658, 19796560,40837698,81880380,154619606,308916626, 626419385,1206215390,2364580587,4777393178, 9359594548,18228148840] |