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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 9 |
| 4 | 18 |
| 5 | 30 |
| 6 | 51 |
| 7 | 79 |
| 8 | 124 |
| 9 | 183 |
| 10 | 270 |
| 11 | 382 |
| 12 | 540 |
| 13 | 740 |
| 14 | 1010 |
| 15 | 1347 |
| 16 | 1789 |
| 17 | 2333 |
| 18 | 3028 |
| 19 | 3873 |
| 20 | 4932 |
| 21 | 6205 |
| 22 | 7772 |
| 23 | 9637 |
| 24 | 11901 |
| 25 | 14571 |
| 26 | 17770 |
| 27 | 21512 |
| 28 | 25948 |
| 29 | 31098 |
| 30 | 37143 |
| 31 | 44113 |
| 32 | 52226 |
| 33 | 61522 |
| 34 | 72258 |
| 35 | 84489 |
| 36 | 98519 |
| 37 | 114418 |
| 38 | 132540 |
| 39 | 152976 |
| 40 | 176139 |
| 41 | 202141 |
[1,2,5,9,18,30,51,79,124,183,270,382,540,740,1010, 1347,1789,2333,3028,3873,4932,6205,7772,9637, 11901,14571,17770,21512,25948,31098,37143,44113, 52226,61522,72258,84489,98519,114418,132540, 152976,176139,202141] |