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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 4 |
| 5 | 15 |
| 6 | 7 |
| 7 | 63 |
| 8 | 24 |
| 9 | 32 |
| 10 | 31 |
| 11 | 1023 |
| 12 | 44 |
| 13 | 4095 |
| 14 | 127 |
| 15 | 125 |
| 16 | 180 |
| 17 | 65535 |
| 18 | 136 |
| 19 | 262143 |
| 20 | 188 |
| 21 | 509 |
| 22 | 2047 |
| 23 | 4194303 |
| 24 | 336 |
| 25 | 1280 |
| 26 | 8191 |
| 27 | 864 |
| 28 | 764 |
| 29 | 268435455 |
| 30 | 537 |
| 31 | 1073741823 |
| 32 | 2100 |
| 33 | 8189 |
| 34 | 131071 |
| 35 | 5105 |
| 36 | 1032 |
| 37 | 68719476735 |
| 38 | 524287 |
| 39 | 32765 |
| 40 | 1416 |
| 41 | 1099511627775 |
| 42 | 2169 |
[1,1,3,4,15,7,63,24,32,31,1023,44,4095,127,125, 180,65535,136,262143,188,509,2047,4194303,336, 1280,8191,864,764,268435455,537,1073741823,2100, 8189,131071,5105,1032,68719476735,524287,32765, 1416,1099511627775,2169] |