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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 12 |
| 7 | 14 |
| 8 | 20 |
| 9 | 20 |
| 10 | 28 |
| 11 | 28 |
| 12 | 36 |
| 13 | 36 |
| 14 | 44 |
| 15 | 44 |
| 16 | 52 |
| 17 | 52 |
| 18 | 60 |
| 19 | 60 |
| 20 | 68 |
[1,1,1,3,4,5,12,14,20,20,28,28,36,36,44,44,52,52, 60,60,68] |