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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 2 |
| 4 | 4 |
| 5 | 4 |
| 6 | 7 |
| 7 | 10 |
| 8 | 15 |
| 9 | 22 |
| 10 | 31 |
| 11 | 45 |
| 12 | 64 |
| 13 | 93 |
| 14 | 134 |
| 15 | 194 |
| 16 | 280 |
| 17 | 404 |
| 18 | 583 |
| 19 | 841 |
| 20 | 1214 |
| 21 | 1752 |
| 22 | 2529 |
| 23 | 3650 |
| 24 | 5268 |
| 25 | 7603 |
| 26 | 10973 |
| 27 | 15837 |
| 28 | 22857 |
| 29 | 32989 |
| 30 | 47612 |
| 31 | 68717 |
| 32 | 99177 |
| 33 | 143139 |
| 34 | 206588 |
| 35 | 298162 |
| 36 | 430328 |
| 37 | 621079 |
| 38 | 896384 |
| 39 | 1293723 |
| 40 | 1867190 |
| 41 | 2694857 |
| 42 | 3889403 |
[1,1,3,2,4,4,7,10,15,22,31,45,64,93,134,194,280, 404,583,841,1214,1752,2529,3650,5268,7603,10973, 15837,22857,32989,47612,68717,99177,143139,206588, 298162,430328,621079,896384,1293723,1867190, 2694857,3889403] |