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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 100000000 |
| 2 | 25600000000 |
| 3 | 656100000000 |
| 4 | 6553600000000 |
| 5 | 39062500000000 |
| 6 | 167961600000000 |
| 7 | 576480100000000 |
| 8 | 1677721600000000 |
| 9 | 4304672100000000 |
| 10 | 10000000000000000 |
| 11 | 21435888100000000 |
| 12 | 42998169600000000 |
[0,100000000,25600000000,656100000000, 6553600000000,39062500000000,167961600000000, 576480100000000,1677721600000000,4304672100000000, 10000000000000000,21435888100000000, 42998169600000000] |