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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 15 |
| 4 | 28 |
| 5 | 63 |
| 6 | 124 |
| 7 | 255 |
| 8 | 508 |
| 9 | 1023 |
| 10 | 2044 |
| 11 | 4095 |
| 12 | 8188 |
| 13 | 16383 |
| 14 | 32764 |
| 15 | 65535 |
| 16 | 131068 |
| 17 | 262143 |
| 18 | 524284 |
| 19 | 1048575 |
| 20 | 2097148 |
| 21 | 4194303 |
| 22 | 8388604 |
| 23 | 16777215 |
| 24 | 33554428 |
| 25 | 67108863 |
| 26 | 134217724 |
| 27 | 268435455 |
| 28 | 536870908 |
| 29 | 1073741823 |
| 30 | 2147483644 |
| 31 | 4294967295 |
| 32 | 8589934588 |
[1,2,5,15,28,63,124,255,508,1023,2044,4095,8188, 16383,32764,65535,131068,262143,524284,1048575, 2097148,4194303,8388604,16777215,33554428, 67108863,134217724,268435455,536870908,1073741823, 2147483644,4294967295,8589934588] |