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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 3 |
| 3 | 9 |
| 4 | 15 |
| 5 | 57 |
| 6 | 63 |
| 7 | 207 |
| 8 | 249 |
| 9 | 255 |
| 10 | 681 |
| 11 | 975 |
| 12 | 1017 |
| 13 | 1023 |
| 14 | 1695 |
| 15 | 3753 |
| 16 | 4047 |
| 17 | 4089 |
| 18 | 4095 |
| 19 | 13983 |
| 20 | 16041 |
| 21 | 16335 |
| 22 | 16377 |
| 23 | 16383 |
| 24 | 48729 |
| 25 | 63135 |
| 26 | 65193 |
| 27 | 65487 |
| 28 | 65529 |
| 29 | 65535 |
| 30 | 144495 |
| 31 | 225033 |
| 32 | 245337 |
| 33 | 259743 |
| 34 | 261801 |
| 35 | 262095 |
| 36 | 262137 |
| 37 | 262143 |
| 38 | 930927 |
| 39 | 1031769 |
| 40 | 1046175 |
[0,3,9,15,57,63,207,249,255,681,975,1017,1023, 1695,3753,4047,4089,4095,13983,16041,16335,16377, 16383,48729,63135,65193,65487,65529,65535,144495, 225033,245337,259743,261801,262095,262137,262143, 930927,1031769,1046175] |