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| n | a(n) |
|---|---|
| 1 | 37 |
| 2 | 127 |
| 3 | 403 |
| 4 | 1229 |
| 5 | 3673 |
| 6 | 10875 |
| 7 | 32095 |
| 8 | 94729 |
| 9 | 280069 |
| 10 | 829943 |
| 11 | 2465227 |
| 12 | 7338309 |
| 13 | 21883825 |
| 14 | 65356531 |
| 15 | 195414199 |
| 16 | 584800769 |
| 17 | 1751256541 |
| 18 | 5246953839 |
| 19 | 15726181411 |
| 20 | 47147086909 |
| 21 | 141374151817 |
| 22 | 423979849067 |
| 23 | 1271637557263 |
| 24 | 3814275137529 |
[37,127,403,1229,3673,10875,32095,94729,280069, 829943,2465227,7338309,21883825,65356531, 195414199,584800769,1751256541,5246953839, 15726181411,47147086909,141374151817,423979849067, 1271637557263,3814275137529] |