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| n | a(n) |
|---|---|
| 3 | 0 |
| 4 | 2 |
| 5 | 10 |
| 6 | 22 |
| 7 | 49 |
| 8 | 111 |
| 9 | 237 |
| 10 | 491 |
| 11 | 1001 |
| 12 | 2023 |
| 13 | 4069 |
| 14 | 8163 |
| 15 | 16353 |
| 16 | 32735 |
| 17 | 65501 |
| 18 | 131035 |
| 19 | 262105 |
| 20 | 524247 |
| 21 | 1048533 |
| 22 | 2097107 |
| 23 | 4194257 |
| 24 | 8388559 |
| 25 | 16777165 |
| 26 | 33554379 |
| 27 | 67108809 |
| 28 | 134217671 |
| 29 | 268435397 |
| 30 | 536870851 |
| 31 | 1073741761 |
| 32 | 2147483583 |
| 33 | 4294967229 |
| 34 | 8589934523 |
| 35 | 17179869113 |
[0,2,10,22,49,111,237,491,1001,2023,4069,8163, 16353,32735,65501,131035,262105,524247,1048533, 2097107,4194257,8388559,16777165,33554379, 67108809,134217671,268435397,536870851,1073741761, 2147483583,4294967229,8589934523,17179869113] |