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| n | a(n) |
|---|---|
| 1 | 187000 |
| 2 | 2701872 |
| 3 | 23289547 |
| 4 | 151170400 |
| 5 | 824599694 |
| 6 | 4013192386 |
| 7 | 18064444143 |
| 8 | 76961701472 |
| 9 | 315204675572 |
| 10 | 1254564769204 |
| 11 | 4890689086931 |
| 12 | 18781896020328 |
| 13 | 71371001739442 |
| 14 | 269293563149046 |
| 15 | 1011736459116935 |
| 16 | 3793520599786824 |
[187000,2701872,23289547,151170400,824599694, 4013192386,18064444143,76961701472,315204675572, 1254564769204,4890689086931,18781896020328, 71371001739442,269293563149046,1011736459116935, 3793520599786824] |