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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 3 |
| 3 | 11 |
| 4 | 27 |
| 5 | 11 |
| 6 | 59 |
| 7 | 203 |
| 8 | 123 |
| 9 | 267 |
| 10 | 1083 |
| 11 | 3531 |
| 12 | 3195 |
| 13 | 11531 |
| 14 | 27707 |
| 15 | 13771 |
| 16 | 54395 |
| 17 | 228619 |
| 18 | 68667 |
| 19 | 488907 |
| 20 | 1774715 |
| 21 | 883979 |
| 22 | 4033595 |
| 23 | 13497803 |
| 24 | 6689915 |
| 25 | 20086027 |
| 26 | 94080059 |
| 27 | 214562251 |
| 28 | 107746427 |
| 29 | 321158411 |
| 30 | 1505070139 |
| 31 | 3432379851 |
| 32 | 1725699195 |
| 33 | 5138316555 |
[1,3,3,11,27,11,59,203,123,267,1083,3531,3195, 11531,27707,13771,54395,228619,68667,488907, 1774715,883979,4033595,13497803,6689915,20086027, 94080059,214562251,107746427,321158411,1505070139, 3432379851,1725699195,5138316555] |