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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 7 |
| 6 | 14 |
| 7 | 21 |
| 8 | 42 |
| 9 | 43 |
| 10 | 86 |
| 11 | 129 |
| 12 | 258 |
| 13 | 301 |
| 14 | 602 |
| 15 | 903 |
| 16 | 1806 |
| 17 | 1849 |
| 18 | 3698 |
| 19 | 5547 |
| 20 | 11094 |
| 21 | 12943 |
| 22 | 25886 |
| 23 | 38829 |
| 24 | 77658 |
| 25 | 77659 |
| 26 | 155318 |
| 27 | 232977 |
| 28 | 465954 |
| 29 | 543613 |
| 30 | 1087226 |
| 31 | 1630839 |
| 32 | 3261678 |
| 33 | 3339337 |
| 34 | 6678674 |
| 35 | 10018011 |
| 36 | 20036022 |
| 37 | 23375359 |
| 38 | 46750718 |
| 39 | 70126077 |
| 40 | 140252154 |
[1,2,3,6,7,14,21,42,43,86,129,258,301,602,903, 1806,1849,3698,5547,11094,12943,25886,38829,77658, 77659,155318,232977,465954,543613,1087226,1630839, 3261678,3339337,6678674,10018011,20036022, 23375359,46750718,70126077,140252154] |