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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 7 |
| 4 | 13 |
| 5 | 7 |
| 6 | 19 |
| 7 | 34 |
| 8 | 40 |
| 9 | 7 |
| 10 | 19 |
| 11 | 34 |
| 12 | 46 |
| 13 | 40 |
| 14 | 91 |
| 15 | 142 |
| 16 | 121 |
| 17 | 7 |
| 18 | 19 |
| 19 | 34 |
| 20 | 73 |
| 21 | 142 |
[1,4,7,13,7,19,34,40,7,19,34,46,40,91,142,121,7, 19,34,73,142] |