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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 6 |
| 2 | 14 |
| 3 | 28 |
| 4 | 54 |
| 5 | 104 |
| 6 | 202 |
| 7 | 396 |
| 8 | 782 |
| 9 | 1552 |
| 10 | 3090 |
| 11 | 6164 |
| 12 | 12310 |
| 13 | 24600 |
| 14 | 49178 |
| 15 | 98332 |
| 16 | 196638 |
| 17 | 393248 |
| 18 | 786466 |
| 19 | 1572900 |
| 20 | 3145766 |
| 21 | 6291496 |
| 22 | 12582954 |
| 23 | 25165868 |
| 24 | 50331694 |
| 25 | 100663344 |
| 26 | 201326642 |
| 27 | 402653236 |
| 28 | 805306422 |
| 29 | 1610612792 |
| 30 | 3221225530 |
| 31 | 6442451004 |
| 32 | 12884901950 |
[1,6,14,28,54,104,202,396,782,1552,3090,6164, 12310,24600,49178,98332,196638,393248,786466, 1572900,3145766,6291496,12582954,25165868, 50331694,100663344,201326642,402653236,805306422, 1610612792,3221225530,6442451004,12884901950] |