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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 3 |
| 3 | 7 |
| 4 | 15 |
| 5 | 55 |
| 6 | 63 |
| 7 | 175 |
| 8 | 247 |
| 9 | 255 |
| 10 | 295 |
| 11 | 943 |
| 12 | 1015 |
| 13 | 1023 |
| 14 | 3367 |
| 15 | 4015 |
| 16 | 4087 |
| 17 | 4095 |
| 18 | 6487 |
| 19 | 9823 |
| 20 | 15655 |
| 21 | 16303 |
| 22 | 16375 |
| 23 | 16383 |
| 24 | 58975 |
| 25 | 64807 |
| 26 | 65455 |
| 27 | 65527 |
| 28 | 65535 |
| 29 | 203095 |
| 30 | 255583 |
| 31 | 261415 |
| 32 | 262063 |
| 33 | 262135 |
| 34 | 262143 |
| 35 | 517135 |
| 36 | 989527 |
| 37 | 1042015 |
| 38 | 1047847 |
| 39 | 1048495 |
| 40 | 1048567 |
[0,3,7,15,55,63,175,247,255,295,943,1015,1023, 3367,4015,4087,4095,6487,9823,15655,16303,16375, 16383,58975,64807,65455,65527,65535,203095,255583, 261415,262063,262135,262143,517135,989527,1042015, 1047847,1048495,1048567] |