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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 19 |
| 3 | 31 |
| 4 | 67 |
| 5 | 79 |
| 6 | 127 |
| 7 | 271 |
| 8 | 1039 |
| 9 | 1087 |
| 10 | 1279 |
| 11 | 4099 |
| 12 | 4111 |
| 13 | 4159 |
| 14 | 5119 |
| 15 | 8191 |
| 16 | 16447 |
| 17 | 20479 |
| 18 | 65539 |
| 19 | 65551 |
| 20 | 65599 |
| 21 | 81919 |
| 22 | 131071 |
| 23 | 262147 |
| 24 | 262399 |
| 25 | 263167 |
| 26 | 266239 |
| 27 | 524287 |
| 28 | 1049599 |
| 29 | 1114111 |
| 30 | 1310719 |
| 31 | 4194319 |
| 32 | 4194559 |
| 33 | 4195327 |
| 34 | 16842751 |
| 35 | 17825791 |
| 36 | 67108879 |
[7,19,31,67,79,127,271,1039,1087,1279,4099,4111, 4159,5119,8191,16447,20479,65539,65551,65599, 81919,131071,262147,262399,263167,266239,524287, 1049599,1114111,1310719,4194319,4194559,4195327, 16842751,17825791,67108879] |