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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 46 |
| 3 | 72 |
| 4 | 313 |
| 5 | 1001 |
| 6 | 3315 |
| 7 | 9045 |
| 8 | 28091 |
| 9 | 87900 |
| 10 | 278545 |
| 11 | 886735 |
| 12 | 2839893 |
| 13 | 9137066 |
| 14 | 29485535 |
| 15 | 95531190 |
| 16 | 309974578 |
| 17 | 1006908674 |
| 18 | 3276702465 |
| 19 | 10670545757 |
| 20 | 34779631546 |
| 21 | 113424839856 |
| 22 | 370091478755 |
| 23 | 1208010661000 |
| 24 | 3944249049217 |
[5,46,72,313,1001,3315,9045,28091,87900,278545, 886735,2839893,9137066,29485535,95531190, 309974578,1006908674,3276702465,10670545757, 34779631546,113424839856,370091478755, 1208010661000,3944249049217] |