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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 7 |
| 3 | 15 |
| 4 | 28 |
| 5 | 63 |
| 6 | 126 |
| 7 | 255 |
| 8 | 511 |
| 9 | 1023 |
| 10 | 2047 |
| 11 | 4095 |
| 12 | 8176 |
| 13 | 16383 |
| 14 | 32716 |
| 15 | 65535 |
| 16 | 130879 |
| 17 | 262143 |
| 18 | 524287 |
| 19 | 1048575 |
| 20 | 2097151 |
| 21 | 4194303 |
| 22 | 8387711 |
| 23 | 16777215 |
| 24 | 33554419 |
| 25 | 67108863 |
| 26 | 134217343 |
| 27 | 268435455 |
| 28 | 536864647 |
| 29 | 1073741823 |
| 30 | 2147483647 |
| 31 | 4294967295 |
| 32 | 8589899759 |
[1,2,7,15,28,63,126,255,511,1023,2047,4095,8176, 16383,32716,65535,130879,262143,524287,1048575, 2097151,4194303,8387711,16777215,33554419, 67108863,134217343,268435455,536864647,1073741823, 2147483647,4294967295,8589899759] |