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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 17 |
| 5 | 257 |
| 6 | 273 |
| 7 | 4097 |
| 8 | 4369 |
| 9 | 65537 |
| 10 | 65793 |
| 11 | 69649 |
| 12 | 1048577 |
| 13 | 1052929 |
| 14 | 1114129 |
| 15 | 16777217 |
| 16 | 16781313 |
| 17 | 16843009 |
| 18 | 16847105 |
| 19 | 17825809 |
| 20 | 17829905 |
| 21 | 268435457 |
| 22 | 268505089 |
| 23 | 269484289 |
| 24 | 285212689 |
| 25 | 4294967297 |
| 26 | 4295032833 |
| 27 | 4296019969 |
| 28 | 4296085505 |
| 29 | 4311744769 |
| 30 | 4563402769 |
[0,1,2,17,257,273,4097,4369,65537,65793,69649, 1048577,1052929,1114129,16777217,16781313, 16843009,16847105,17825809,17829905,268435457, 268505089,269484289,285212689,4294967297, 4295032833,4296019969,4296085505,4311744769, 4563402769] |