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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 617 |
| 3 | 8726 |
| 4 | 255575 |
| 5 | 1339801 |
| 6 | 2419165 |
| 7 | 9402323 |
| 8 | 25764500 |
| 9 | 35486953 |
| 10 | 144568133 |
| 11 | 385495261 |
| 12 | 735503569 |
| 13 | 638279039 |
| 14 | 1183071664 |
| 15 | 1571634527 |
| 16 | 4449717748 |
| 17 | 3584182298 |
| 18 | 3871587494 |
| 19 | 5693954599 |
| 20 | 27084640649 |
| 21 | 24205505111 |
| 22 | 32489035067 |
| 23 | 31973745058 |
| 24 | 38935021406 |
| 25 | 47570693867 |
| 26 | 44749048300 |
| 27 | 53075499329 |
[8,617,8726,255575,1339801,2419165,9402323, 25764500,35486953,144568133,385495261,735503569, 638279039,1183071664,1571634527,4449717748, 3584182298,3871587494,5693954599,27084640649, 24205505111,32489035067,31973745058,38935021406, 47570693867,44749048300,53075499329] |