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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 16 |
| 3 | 144 |
| 4 | 1369 |
| 5 | 10816 |
| 6 | 0 |
| 7 | 1004004 |
| 8 | 0 |
| 9 | 100000000 |
| 10 | 0 |
| 11 | 10000400004 |
| 12 | 0 |
| 13 | 1000000000000 |
| 14 | 0 |
| 15 | 100000040000004 |
| 16 | 0 |
| 17 | 10000000000000000 |
| 18 | 0 |
| 19 | 1000000004000000004 |
| 20 | 0 |
| 21 | 100000000000000000000 |
| 22 | 0 |
| 23 | 10000000000400000000004 |
[1,16,144,1369,10816,0,1004004,0,100000000,0, 10000400004,0,1000000000000,0,100000040000004,0, 10000000000000000,0,1000000004000000004,0, 100000000000000000000,0,10000000000400000000004] |