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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 9 |
| 5 | 19 |
| 6 | 25 |
| 7 | 54 |
| 8 | 104 |
| 9 | 112 |
| 10 | 120 |
| 11 | 177 |
| 12 | 317 |
| 13 | 504 |
| 14 | 540 |
| 15 | 734 |
| 16 | 780 |
| 17 | 1649 |
| 18 | 1923 |
| 19 | 2715 |
| 20 | 4308 |
| 21 | 5917 |
| 22 | 6494 |
| 23 | 7305 |
| 24 | 22653 |
| 25 | 26888 |
| 26 | 71448 |
| 27 | 93834 |
| 28 | 137027 |
| 29 | 158472 |
| 30 | 174648 |
[1,2,5,9,19,25,54,104,112,120,177,317,504,540,734, 780,1649,1923,2715,4308,5917,6494,7305,22653, 26888,71448,93834,137027,158472,174648] |