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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 18 |
| 2 | 53 |
| 3 | 116 |
| 4 | 215 |
| 5 | 358 |
| 6 | 553 |
| 7 | 808 |
| 8 | 1131 |
| 9 | 1530 |
| 10 | 2013 |
| 11 | 2588 |
| 12 | 3263 |
| 13 | 4046 |
| 14 | 4945 |
| 15 | 5968 |
| 16 | 7123 |
| 17 | 8418 |
| 18 | 9861 |
| 19 | 11460 |
| 20 | 13223 |
| 21 | 15158 |
| 22 | 17273 |
| 23 | 19576 |
| 24 | 22075 |
| 25 | 24778 |
| 26 | 27693 |
| 27 | 30828 |
| 28 | 34191 |
| 29 | 37790 |
| 30 | 41633 |
| 31 | 45728 |
| 32 | 50083 |
| 33 | 54706 |
| 34 | 59605 |
| 35 | 64788 |
| 36 | 70263 |
| 37 | 76038 |
| 38 | 82121 |
| 39 | 88520 |
| 40 | 95243 |
[3,18,53,116,215,358,553,808,1131,1530,2013,2588, 3263,4046,4945,5968,7123,8418,9861,11460,13223, 15158,17273,19576,22075,24778,27693,30828,34191, 37790,41633,45728,50083,54706,59605,64788,70263, 76038,82121,88520,95243] |