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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 7 |
| 6 | 12 |
| 7 | 18 |
| 8 | 29 |
| 9 | 42 |
| 10 | 63 |
| 11 | 89 |
| 12 | 128 |
| 13 | 176 |
| 14 | 246 |
| 15 | 333 |
| 16 | 453 |
| 17 | 603 |
| 18 | 807 |
| 19 | 1058 |
| 20 | 1393 |
| 21 | 1807 |
| 22 | 2346 |
| 23 | 3011 |
| 24 | 3867 |
| 25 | 4915 |
| 26 | 6248 |
| 27 | 7879 |
| 28 | 9926 |
| 29 | 12421 |
| 30 | 15529 |
| 31 | 19297 |
| 32 | 23954 |
| 33 | 29585 |
| 34 | 36486 |
| 35 | 44802 |
| 36 | 54937 |
| 37 | 67096 |
| 38 | 81831 |
| 39 | 99459 |
| 40 | 120700 |
| 41 | 146026 |
| 42 | 176410 |
| 43 | 212512 |
| 44 | 255636 |
| 45 | 306734 |
[0,1,2,4,7,12,18,29,42,63,89,128,176,246,333,453, 603,807,1058,1393,1807,2346,3011,3867,4915,6248, 7879,9926,12421,15529,19297,23954,29585,36486, 44802,54937,67096,81831,99459,120700,146026, 176410,212512,255636,306734] |