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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 11 |
| 4 | 21 |
| 5 | 43 |
| 6 | 85 |
| 7 | 171 |
| 8 | 341 |
| 9 | 683 |
| 10 | 1365 |
| 11 | 2731 |
| 12 | 5461 |
| 13 | 11947 |
| 14 | 18773 |
| 15 | 65195 |
| 16 | 129365 |
| 17 | 256683 |
| 18 | 507221 |
| 19 | 997291 |
| 20 | 2068053 |
| 21 | 4079531 |
| 22 | 8158805 |
| 23 | 16318379 |
| 24 | 32636757 |
| 25 | 65273003 |
| 26 | 130547541 |
| 27 | 261094827 |
| 28 | 522188373 |
| 29 | 1044377515 |
| 30 | 2088738389 |
| 31 | 4177412011 |
| 32 | 8354955093 |
[1,3,5,11,21,43,85,171,341,683,1365,2731,5461, 11947,18773,65195,129365,256683,507221,997291, 2068053,4079531,8158805,16318379,32636757, 65273003,130547541,261094827,522188373,1044377515, 2088738389,4177412011,8354955093] |