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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 30 |
| 2 | 577 |
| 3 | 9066 |
| 4 | 126829 |
| 5 | 1646094 |
| 6 | 20280169 |
| 7 | 240528882 |
| 8 | 2771673157 |
| 9 | 31228927158 |
| 10 | 345616983361 |
| 11 | 3769863028698 |
| 12 | 40631819886685 |
| 13 | 433596513609822 |
| 14 | 4588506840332953 |
| 15 | 48214238728174914 |
| 16 | 503555280142266613 |
[1,30,577,9066,126829,1646094,20280169,240528882, 2771673157,31228927158,345616983361,3769863028698, 40631819886685,433596513609822,4588506840332953, 48214238728174914,503555280142266613] |