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| n | a(n) |
|---|---|
| 1 | 22 |
| 2 | 45 |
| 3 | 95 |
| 4 | 221 |
| 5 | 310 |
| 6 | 957 |
| 7 | 1931 |
| 8 | 3965 |
| 9 | 7915 |
| 10 | 16125 |
| 11 | 35170 |
| 12 | 59491 |
| 13 | 65021 |
| 14 | 261117 |
| 15 | 450051 |
| 16 | 487105 |
| 17 | 1046525 |
| 18 | 1632718 |
| 19 | 1904146 |
| 20 | 4190205 |
| 21 | 7090745 |
| 22 | 16769021 |
| 23 | 67092477 |
| 24 | 75421616 |
| 25 | 75560651 |
| 26 | 82639294 |
| 27 | 268402685 |
| 28 | 1073676285 |
| 29 | 1148568352 |
| 30 | 1406149111 |
| 31 | 4294836221 |
[22,45,95,221,310,957,1931,3965,7915,16125,35170, 59491,65021,261117,450051,487105,1046525,1632718, 1904146,4190205,7090745,16769021,67092477, 75421616,75560651,82639294,268402685,1073676285, 1148568352,1406149111,4294836221] |