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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 5 |
| 7 | 6 |
| 8 | 9 |
| 9 | 13 |
| 10 | 18 |
| 11 | 25 |
| 12 | 32 |
| 13 | 44 |
| 14 | 58 |
| 15 | 78 |
| 16 | 102 |
| 17 | 131 |
| 18 | 166 |
| 19 | 219 |
| 20 | 277 |
| 21 | 353 |
| 22 | 446 |
| 23 | 566 |
| 24 | 696 |
| 25 | 882 |
| 26 | 1089 |
| 27 | 1362 |
| 28 | 1667 |
| 29 | 2071 |
| 30 | 2525 |
| 31 | 3109 |
| 32 | 3766 |
| 33 | 4614 |
| 34 | 5583 |
| 35 | 6789 |
| 36 | 8163 |
| 37 | 9886 |
| 38 | 11857 |
| 39 | 14276 |
| 40 | 17043 |
| 41 | 20437 |
| 42 | 24318 |
| 43 | 29049 |
| 44 | 34456 |
| 45 | 40970 |
| 46 | 48477 |
| 47 | 57453 |
| 48 | 67739 |
| 49 | 80009 |
[0,1,1,2,3,5,6,9,13,18,25,32,44,58,78,102,131,166, 219,277,353,446,566,696,882,1089,1362,1667,2071, 2525,3109,3766,4614,5583,6789,8163,9886,11857, 14276,17043,20437,24318,29049,34456,40970,48477, 57453,67739,80009] |