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| n | a(n) |
|---|---|
| 1 | 852 |
| 2 | 8820 |
| 3 | 18816 |
| 4 | 76212 |
| 5 | 357444 |
| 6 | 398808 |
| 7 | 893252 |
| 8 | 16126704 |
| 9 | 43136424 |
| 10 | 7182984 |
| 11 | 7646868 |
| 12 | 300701196 |
| 13 | 4029582168 |
| 14 | 2003366400 |
| 15 | 176193480 |
| 16 | 94304468 |
| 17 | 14468118864 |
| 18 | 488586817208 |
| 19 | 603128988936 |
| 20 | 168088619064 |
| 21 | 3014075496 |
| 22 | 811836852 |
[852,8820,18816,76212,357444,398808,893252, 16126704,43136424,7182984,7646868,300701196, 4029582168,2003366400,176193480,94304468, 14468118864,488586817208,603128988936, 168088619064,3014075496,811836852] |