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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 6 |
| 5 | 14 |
| 6 | 19 |
| 7 | 47 |
| 8 | 64 |
| 9 | 118 |
| 10 | 165 |
| 11 | 347 |
| 12 | 366 |
| 13 | 826 |
| 14 | 973 |
| 15 | 1493 |
| 16 | 2134 |
| 17 | 3912 |
| 18 | 4037 |
| 19 | 7935 |
| 20 | 8246 |
| 21 | 12966 |
| 22 | 17475 |
| 23 | 29161 |
| 24 | 28064 |
| 25 | 49608 |
| 26 | 59357 |
| 27 | 83419 |
| 28 | 97242 |
| 29 | 164966 |
| 30 | 152547 |
| 31 | 280351 |
| 32 | 295290 |
| 33 | 405918 |
| 34 | 508161 |
| 35 | 674629 |
| 36 | 708818 |
| 37 | 1230258 |
| 38 | 1325731 |
| 39 | 1709229 |
| 40 | 1868564 |
| 41 | 3045108 |
[0,1,3,6,14,19,47,64,118,165,347,366,826,973,1493, 2134,3912,4037,7935,8246,12966,17475,29161,28064, 49608,59357,83419,97242,164966,152547,280351, 295290,405918,508161,674629,708818,1230258, 1325731,1709229,1868564,3045108] |