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| n | a(n) |
|---|---|
| 1 | 5401 |
| 2 | 23007 |
| 3 | 92725 |
| 4 | 395500 |
| 5 | 2538669 |
| 6 | 11285381 |
| 7 | 53055996 |
| 8 | 337833222 |
| 9 | 1537313257 |
| 10 | 7468646942 |
| 11 | 48266349656 |
| 12 | 221948510836 |
| 13 | 1091522283798 |
| 14 | 7130961567961 |
| 15 | 32949908161991 |
| 16 | 162858861392766 |
| 17 | 1070100774007537 |
| 18 | 4955450639355900 |
[5401,23007,92725,395500,2538669,11285381, 53055996,337833222,1537313257,7468646942, 48266349656,221948510836,1091522283798, 7130961567961,32949908161991,162858861392766, 1070100774007537,4955450639355900] |