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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 6 |
| 2 | 6 |
| 3 | 6 |
| 4 | 6 |
| 5 | 6 |
| 6 | 22 |
| 7 | 22 |
| 8 | 54 |
| 9 | 54 |
| 10 | 118 |
| 11 | 246 |
| 12 | 246 |
| 13 | 502 |
| 14 | 502 |
| 15 | 1014 |
| 16 | 2038 |
| 17 | 2038 |
| 18 | 2038 |
| 19 | 6134 |
| 20 | 6134 |
| 21 | 14326 |
| 22 | 14326 |
| 23 | 14326 |
| 24 | 47094 |
| 25 | 47094 |
| 26 | 47094 |
| 27 | 47094 |
| 28 | 47094 |
| 29 | 309238 |
| 30 | 309238 |
| 31 | 833526 |
| 32 | 1882102 |
| 33 | 1882102 |
| 34 | 3979254 |
| 35 | 3979254 |
| 36 | 8173558 |
| 37 | 8173558 |
| 38 | 8173558 |
| 39 | 24950774 |
| 40 | 24950774 |
[2,6,6,6,6,6,22,22,54,54,118,246,246,502,502,1014, 2038,2038,2038,6134,6134,14326,14326,14326,47094, 47094,47094,47094,47094,309238,309238,833526, 1882102,1882102,3979254,3979254,8173558,8173558, 8173558,24950774,24950774] |