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A219905 as a simple table
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 1 |
| 10 | 13 |
| 11 | 46 |
| 12 | 153 |
| 13 | 358 |
| 14 | 797 |
| 15 | 1527 |
[0,0,0,0,0,0,0,0,0,1,13,46,153,358,797,1527] |