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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 2 |
| 3 | 6 |
| 4 | 6 |
| 5 | 10 |
| 6 | 18 |
| 7 | 22 |
| 8 | 30 |
| 9 | 42 |
| 10 | 98 |
| 11 | 110 |
| 12 | 174 |
| 13 | 234 |
| 14 | 346 |
| 15 | 798 |
| 16 | 958 |
| 17 | 1458 |
| 18 | 2058 |
| 19 | 2990 |
| 20 | 4022 |
| 21 | 9234 |
| 22 | 10746 |
| 23 | 16774 |
| 24 | 22950 |
| 25 | 33682 |
| 26 | 44562 |
| 27 | 64182 |
| 28 | 126230 |
| 29 | 154778 |
| 30 | 229986 |
| 31 | 317766 |
| 32 | 452206 |
| 33 | 607290 |
| 34 | 851314 |
| 35 | 1120158 |
| 36 | 2130750 |
| 37 | 2567162 |
[1,2,2,6,6,10,18,22,30,42,98,110,174,234,346,798, 958,1458,2058,2990,4022,9234,10746,16774,22950, 33682,44562,64182,126230,154778,229986,317766, 452206,607290,851314,1120158,2130750,2567162] |