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| n | a(n) |
|---|---|
| 0 | 6 |
| 1 | 11 |
| 2 | 21 |
| 3 | 41 |
| 4 | 81 |
| 5 | 161 |
| 6 | 321 |
| 7 | 641 |
| 8 | 1281 |
| 9 | 2561 |
| 10 | 5121 |
| 11 | 10241 |
| 12 | 20481 |
| 13 | 40961 |
| 14 | 81921 |
| 15 | 163841 |
| 16 | 327681 |
| 17 | 655361 |
| 18 | 1310721 |
| 19 | 2621441 |
| 20 | 5242881 |
| 21 | 10485761 |
| 22 | 20971521 |
| 23 | 41943041 |
| 24 | 83886081 |
| 25 | 167772161 |
| 26 | 335544321 |
| 27 | 671088641 |
| 28 | 1342177281 |
| 29 | 2684354561 |
| 30 | 5368709121 |
| 31 | 10737418241 |
[6,11,21,41,81,161,321,641,1281,2561,5121,10241, 20481,40961,81921,163841,327681,655361,1310721, 2621441,5242881,10485761,20971521,41943041, 83886081,167772161,335544321,671088641,1342177281, 2684354561,5368709121,10737418241] |