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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 12 |
| 4 | 22 |
| 5 | 34 |
| 6 | 50 |
| 7 | 65 |
| 8 | 78 |
| 9 | 78 |
| 10 | 86 |
| 11 | 78 |
| 12 | 78 |
| 13 | 65 |
| 14 | 50 |
| 15 | 34 |
| 16 | 22 |
| 17 | 12 |
| 18 | 5 |
| 19 | 1 |
| 20 | 1 |
[1,1,5,12,22,34,50,65,78,78,86,78,78,65,50,34,22, 12,5,1,1] |