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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 3 |
| 3 | 15 |
| 4 | 11 |
| 5 | 63 |
| 6 | 43 |
| 7 | 255 |
| 8 | 171 |
| 9 | 1023 |
| 10 | 939 |
| 11 | 3583 |
| 12 | 1195 |
| 13 | 8191 |
| 14 | 27307 |
| 15 | 16383 |
| 16 | 43691 |
| 17 | 262143 |
| 18 | 48043 |
| 19 | 122367 |
| 20 | 181419 |
| 21 | 417791 |
| 22 | 780971 |
| 23 | 1785855 |
| 24 | 3058347 |
| 25 | 7340031 |
| 26 | 12106667 |
| 27 | 28433919 |
| 28 | 48415915 |
| 29 | 113729535 |
| 30 | 193718955 |
| 31 | 454836223 |
| 32 | 774417067 |
| 33 | 1819410431 |
| 34 | 3097541547 |
[1,3,3,15,11,63,43,255,171,1023,939,3583,1195, 8191,27307,16383,43691,262143,48043,122367,181419, 417791,780971,1785855,3058347,7340031,12106667, 28433919,48415915,113729535,193718955,454836223, 774417067,1819410431,3097541547] |