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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 6 |
| 8 | 8 |
| 9 | 11 |
| 10 | 16 |
| 11 | 22 |
| 12 | 31 |
| 13 | 43 |
| 14 | 60 |
| 15 | 83 |
| 16 | 116 |
| 17 | 162 |
| 18 | 227 |
| 19 | 316 |
| 20 | 441 |
| 21 | 616 |
| 22 | 859 |
| 23 | 1199 |
| 24 | 1674 |
| 25 | 2336 |
| 26 | 3260 |
| 27 | 4550 |
| 28 | 6349 |
| 29 | 8861 |
| 30 | 12367 |
| 31 | 17259 |
| 32 | 24088 |
| 33 | 33617 |
| 34 | 46916 |
| 35 | 65477 |
| 36 | 91380 |
| 37 | 127531 |
| 38 | 177984 |
| 39 | 248397 |
| 40 | 346666 |
| 41 | 483812 |
| 42 | 675214 |
| 43 | 942336 |
| 44 | 1315136 |
| 45 | 1835421 |
| 46 | 2561536 |
| 47 | 3574912 |
| 48 | 4989191 |
| 49 | 6962977 |
| 50 | 9717617 |
[1,1,1,2,3,4,6,8,11,16,22,31,43,60,83,116,162,227, 316,441,616,859,1199,1674,2336,3260,4550,6349, 8861,12367,17259,24088,33617,46916,65477,91380, 127531,177984,248397,346666,483812,675214,942336, 1315136,1835421,2561536,3574912,4989191,6962977, 9717617] |