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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 5 |
| 5 | 26 |
| 6 | 22 |
| 7 | 120 |
| 8 | 149 |
| 9 | 418 |
| 10 | 716 |
| 11 | 2036 |
| 12 | 2378 |
| 13 | 8178 |
| 14 | 12846 |
| 15 | 29294 |
| 16 | 50709 |
| 17 | 131054 |
| 18 | 193972 |
| 19 | 524268 |
| 20 | 843260 |
| 21 | 1979520 |
| 22 | 3488618 |
| 23 | 8388584 |
| 24 | 13190042 |
| 25 | 33501276 |
| 26 | 56707912 |
| 27 | 129527950 |
| 28 | 227113934 |
| 29 | 536870882 |
| 30 | 887838482 |
| 31 | 2147483616 |
| 32 | 3683332117 |
| 33 | 8396392382 |
| 34 | 14846262368 |
| 35 | 34352689180 |
[1,1,4,5,26,22,120,149,418,716,2036,2378,8178, 12846,29294,50709,131054,193972,524268,843260, 1979520,3488618,8388584,13190042,33501276, 56707912,129527950,227113934,536870882,887838482, 2147483616,3683332117,8396392382,14846262368, 34352689180] |