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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 6 |
| 3 | 14 |
| 4 | 30 |
| 5 | 46 |
| 6 | 110 |
| 7 | 254 |
| 8 | 510 |
| 9 | 1006 |
| 10 | 2030 |
| 11 | 3838 |
| 12 | 7934 |
| 13 | 12014 |
| 14 | 28398 |
| 15 | 65534 |
| 16 | 131070 |
| 17 | 262126 |
| 18 | 524270 |
| 19 | 1048318 |
| 20 | 2096894 |
| 21 | 4189934 |
| 22 | 8384238 |
| 23 | 16711678 |
| 24 | 33488894 |
| 25 | 65994734 |
| 26 | 133103598 |
| 27 | 251592446 |
| 28 | 520027902 |
| 29 | 787410670 |
| 30 | 1861152494 |
| 31 | 4294967294 |
| 32 | 8589934590 |
[1,2,6,14,30,46,110,254,510,1006,2030,3838,7934, 12014,28398,65534,131070,262126,524270,1048318, 2096894,4189934,8384238,16711678,33488894, 65994734,133103598,251592446,520027902,787410670, 1861152494,4294967294,8589934590] |